Circadian rhythm, biological clock, sleep time regulation, human life day night cycle, internal biorhythm icon. Woman asleep or waking schedule vector

---

Circadian rhythm, biological clock, sleep time regulation, human life day night cycle, internal biorhythm line icon. Woman asleep or waking schedule, daily activity routine. Influence sun light vector

---

Size: 5000px × 3113px
Photo credit: © Alla Zbitnieva / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: activity, alarm, asleep, awake, biological, biorhythm, body, brain, care, circadian, clock, cycle, daily, day, daytime, girl, head, health, healthy, hormone, hour, human, icon, illustration, insomnia, internal, life, lifestyle, light, line, melatonin, mental, morning, night, outline, phase, regulation, rest, rhythm, routine, schedule, sign, sleep, stimulation, sun, sunlight, symbol, time, vector, vectors, wake, waking, woman