Search keywords: chronobiology
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The circadian rhythm and sleep-wake cycle
The circadian rhythms are controlled by the circadian clock or biological clock that commands our brain to release hormones to control our activity in several days.
Circadian Rhythm. Diagram human body physical, mental, and behavioural changes that follow a 24-hour cycle.
Brain with clock. The Circadian rhythm concept.
Melatonin hormone. Pineal gland anatomical cross section.
Continuous one line drawing the alarm clock inside the human head. The brain processes all organs naturally. Works 24 hours a day. Biological Clock Day. Single line draw design vector illustration
Circadian rhythm thin line icon. Sleep regulation by hormones. Vector illustration.
Circadian Rhythm is a natural, internal process that regulates the sleep–wake cycle and repeats roughly every 24 hours, text stamp concept background
Single one line drawing alarm clock which has a picture of a cloudy crescent moon and a picture of a cloudy sun. Circadian rhythm. Biological Clock Day. Continuous line design graphic illustration.
Sleep time. Sweet dreams. Tiny woman sleeps in mask. Screen template for mobile smart phone, landing page, template, ui, web, mobile app, poster, banner, flyer. Modern flat cartoon style. Vector
Time saving concept, hand holding clock into glass jar
Daily schedule metaphor, daily affairs person, discipline indicators time for rest, work, sleep, food. Scheduling activities for day, time management, distribution of tasks, circle sectors occupation
Here is an illustration that provides an overview of the sleep-wake cycles and the circadian rhythm. It shows the processes that occur during the daytime and nighttime in the body.
The circadian rhythm and sleep-wake cycle.
Circadian rhythm. Biological Clock.
sleep quality glyph icon
Time & Clock Scheduling  Icon Sheet and Collection with Outline Color
Sleep wake cycle
Biological Clock
Circadian rhythms icon Art design illustration
Circadian rhythm and sleep-wake cycle
The circadian rhythms are controlled by circadian clocks or biological clock these clocks tell our brain when to sleep, tell our gut when to digest and control our activity in several day.
3D Isometric Flat Vector Conceptual Illustration of Circadian Rhythm, Natural Sleep-wake Biological Process
Circadian rhythm black line icon for digital and print projects.
Melatonin hormone. Pineal gland anatomical cross section.
Single continuous line drawing in middle of brain is alarm clock, with a cloudy sun and a cloudy crescent moon. Automatic system of body. Biological Clock Day. One line design vector illustration
Day and Night Icon
8 hours sleep icon illustration.  Sleeping time sign. Healthy lifestyle stock illustration
Single one line drawing alarm clock which has a picture of a cloudy crescent moon and a picture of a cloudy sun. Circadian rhythm. Biological Clock Day. Continuous line design graphic illustration.
Sleep icon set. Sleep control. Sweet dreams. Sleep time. Good health, work of biological rhythms. Sleeping pills, alarm clock, pillow, sleeping mask, bed, moon, cloud, stars. Vector flat illustration
Biological clock - symbol of woman and female gender and sex symbol, sign and pictogram with clocks. Metaphor of ageing / aging and consequences - menopause and limited fertility. Vector illustration.
Daily schedule metaphor, daily affairs person, discipline indicators time for rest, work, sleep, food. Scheduling activities for day, time management, distribution of tasks, circle sectors occupation
Human circadian rhythms isometric icon set with fatigue lack of sleep drowsiness illustration
A circadian rhythm or circadian cycle. Human circadian biological clock. Sleep wake cycle. Insomnia and sleep disorders.
liver clock icon sign vector
Set of 5 pixel perfect Circadian rhythms icon with 1 unexpanded, 1 silhouette, A moon and sun clock icon indicating biological rhythms.
Time & Scheduling Icon Collection and Symple Concept
Outline Gradient
Sleep wake cycle
black and white outline icon with multiple clocks and moon, concept of circadian rhythm and sleep timing, minimal sleep health design
Diurnal Cycle is any pattern that recurs every 24 hours as a result of one full rotation of the planet Earth around its axis, text stamp concept background
The circadian rhythm and sleep-wake cycle
The circadian rhythms are controlled by circadian clocks or biological clock these clocks tell our brain when to sleep, tell our gut when to digest and control our activity in several day.
Circadian Rhythm icon representing body's natural clock
Circadian rhythm color flat icon for digital and print projects.
Melatonin hormone. Pineal gland anatomical cross section.
Single one line drawing alarm clock which has a picture of a cloudy crescent moon and a picture of a cloudy sun. Circadian rhythm. Biological Clock Day. Continuous line design graphic illustration
Turn back your biological clock, lifestyle choices that optimize cellular health, hormonal balance, and overall wellbeing. Infographics sketch.
Clock with day-night cycle, sun, moon, and arrows symbolizing circadian rhythm.
Single one line drawing alarm clock which has a picture of a cloudy crescent moon and a picture of a cloudy sun. Circadian rhythm. Biological Clock Day. Continuous line design graphic illustration.
timer kidneys icon sign vector
Circadian body rhythm. 12 organs associated with their emotions, chronobiological clock, yin yang energy and the five elements (colors)
Daily schedule metaphor, daily affairs person, discipline indicators time for rest, work, sleep, food. Scheduling activities for day, time management, distribution of tasks, circle sectors occupation
Circadian rhythm vector alarm clock 3d poster
Sleeping pills logo template - Moon, stars and pillow
Biological Clock Day. April 28.
Circadiam rhythm infographic. Information about human body. Information for scheduling, healthy lifestyle, daily routine, sport time. Cartoon flat vector illustration isolated on white background
Biological Clock
Sleep wake cycle
Sleepmaxxing. Flat Vector Illustration
Diurnal Cycle is any pattern that recurs every 24 hours as a result of one full rotation of the planet Earth around its axis, text stamp concept background
Circadian rhythm and daily activities
The circadian rhythms are controlled by circadian clocks or biological clock these clocks tell our brain when to sleep, tell our gut when to digest and control our activity in several day.
Diagram showing biosynthesis of Melatonin from Tryptophan via enzymatic reactions - schematic molecular strcuture chemical illustration.
Circadian rhythm color flat icon for digital and print projects.
Melatonin hormone. Pineal gland anatomical cross section.
Single continuous line drawing person lying on bed holding alarm clock and covering his head. The organ of body systems work at certain hours. Biological Clock Day. One line design vector illustration
Illustration design Circadian rhythms and sleep-wake cycles: how exposure to sunlight regulates melatonin secretion in the human brain and body processes
Sleep time. Sweet dreams. Good health and work of biological rhythms. Tiny girl sleeps in mask on the moon. Modern flat cartoon style. Vector illustration on white background
Single one line drawing alarm clock which has a picture of a cloudy crescent moon and a picture of a cloudy sun. Circadian rhythm. Biological Clock Day. Continuous line design graphic illustration.
Woman sleeping in the bedroom at night with a sleeping mask and happy smile. Good healthy sleep concept. Sweet dreams. Good work of biological rhythms. Flat vector illustration. Sleeping schedule.
Condensed Circadian clock of the main meridians of the body according to Chinese medicine - 12 hours. Black is yin, white is yang
Daily schedule metaphor, daily affairs person, discipline indicators time for rest, work, sleep, food. Scheduling activities for day, time management, distribution of tasks, circle sectors occupation
Young woman thinking about her periods. Biological clock concept. Vector illustration in flat design
Daily schedule, daily affairs person, discipline indicators time for rest, work, sleep, food. Scheduling activities for day, time management, distribution of tasks, set flat vector modern illustration
Menopause biological clock and flowers, measuring age clock. Women climacteric, hormone replacement therapy concept
Grandmother sitting with biological clocks, limited fertility. Medical concept, feminine age. Menopause. Climacteric. Women's health. Menstrual periods. Aging process.
Time & Clock Scheduling  Icon Collection and Symple Concept Flat Color
Sleep wake cycle
Circadian rhythm. Woman signifies the balance of day and night time, wakefulness and sleep. Natural human biological clock timing, 24-hour cycle. Flat vector illustration.
Diurnal Cycle is any pattern that recurs every 24 hours as a result of one full rotation of the planet Earth around its axis, text stamp concept background
Circadian rhythm and daily activities
The circadian rhythms are controlled by circadian clocks or biological clock these clocks tell our brain when to sleep, tell our gut when to digest and control our activity in several day.
Diagram showing biosynthesis of Melatonin from Tryptophan via enzymatic reactions - schematic molecular strcuture chemical illustration.
The concept of menopause and Climax. Biological clock of the reproductive period. Gynecology
Melatonin hormone. Pineal gland anatomical cross section.
Single one line drawing alarm clock which has a picture of a cloudy crescent moon and a picture of a cloudy sun. Circadian rhythm. Biological Clock Day. Continuous line design graphic illustration
circadian rhythm. Body temperature, cortisol and melatonin
Biological Clock Concept. Male and Female Characters Follow Body Rhythm, Insomnia, Traveler in Airport, Man Late at Work
Single one line drawing alarm clock which has a picture of a cloudy crescent moon and a picture of a cloudy sun. Circadian rhythm. Biological Clock Day. Continuous line design graphic illustration.
Human biological clock. Time for sleep and work, man in bed at night and working at computer during day, healthy lifestyle. Harmonious circadian rhythm, vector cartoon flat concept
Circadian clock of the main meridians of the body according to Chinese medicine - 24 hours.  Yin yang indicator : black is yin whereas white is yang.  Rhythms of the organs of human body on 24 hours
Daily schedule metaphor, daily affairs person, discipline indicators time for rest, work, sleep, food. Scheduling activities for day, time management, distribution of tasks, circle sectors occupation
Sleep time. Sweet dreams. Good health and work of biological rhythms. Tiny woman sleeps in mask. Modern flat cartoon style. Vector illustration on white background
Daily schedule metaphor, daily affairs person, discipline indicators time for rest, work, sleep, food. Scheduling activities for day, time management, distribution of tasks, circle sectors occupation
Circadian rhythm concept. Day and night cycle scheme. Natural sleep-wake biological process. Man and woman study the biological clock that is embedded inside a person. Cartoon flat vector illustration
Menopause Symptoms Doodles
Time & Clock Scheduling Icon Collection Set. Wall Clock,Digital Clock,Hourglass,Stopwatch,Timer,Calendar,Wristwatch,Alarm Clock,Sundial,Moon Phases,Deadline,Schedule, Icon Symple Glyph Gradient
Sleep wake cycle
Melatonin secretion mechanism. Human circadian rhythm and sleep-wake
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