Lack of sleep refers to the condition of not getting enough sleep or experiencing insufficient sleep duration. It can result from various factors such as stress, busy schedules, or medical conditions.
Related terms
Sleep deprivation: The state of not getting enough sleep over an extended period. It can lead to cognitive impairment, mood changes, and decreased performance.
Insomnia: A common sleep disorder characterized by difficulty falling asleep or staying asleep. It can result in daytime fatigue and impaired functioning.
Circadian rhythm: The internal biological clock that regulates our sleep-wake cycle. Disruptions in this rhythm, such as shift work or jet lag, can affect sleep patterns.