Sleep and wake cycles

Definition

Sleep and wake cycles refer to the patterns of sleep and wakefulness that humans experience over a 24-hour period. These cycles are influenced by various factors, including hormones, environmental cues, and internal biological processes.

Related terms

Circadian rhythm: This term refers to the internal biological clock that regulates our sleep-wake cycle. It helps determine when we feel most alert or sleepy throughout the day.

Melatonin:

Melatonin is a hormone secreted by the pineal gland in response to darkness. It plays a crucial role in regulating our sleep-wake cycle by making us feel sleepy when it's time for bed.

Jet lag: Jet lag occurs when our body's internal clock is disrupted due to traveling across multiple time zones. It can result in temporary difficulties adjusting to the new sleep-wake schedule.