Circadian rhythms Flashcards
(6 cards)
what is a circadian rhythm
a biological rhythm that lasts about 24 hours, such as the sleep wake cycle and body temperature regulation
what is the sleep wake cycle
a circadian rhythm influenced by light and darkness, determining when we feel awake or sleepy
what is a free running rhythm
a biological rhythm that operates in the absence of external time cues, typically lasting slightly more than 24 hours
what is core body temperature
fluctuates in a circadian pattern, typically lowest around 4-5 am and highest in the early evening. associate with levels of alertness and cognitive performance
what Is a chronotype
an individuals natural preference for being active in the morning (morning lark) or evening (night owl), showing variation in circadian rhythms
what is circadian desynchronisation
when circadian rhythms are disrupted or misaligned with an individuals environment or schedule, leading to potential effects on mood, cognition, and health.
