![]() ![]() Your chronotype refers to your natural preferences for being awake in the morning or the evening. This means that you may need to adjust your bedtime when your body requires more sleep. Sleep pressure also increases under certain circumstances, such as periods of illness, physical activity, and during cognitively demanding tasks. Your sleep drive is at its lowest after a full night’s rest. ![]() This means that the longer you are awake, the stronger the pressure to sleep becomes. The homeostatic sleep drive, also called sleep pressure, builds within your body during waking hours. The sleep-wake cycle is controlled by a central biological clock in your brain that uses cues from your surroundings, such as light and temperature, to stay in sync with your environment. One important circadian rhythm is the sleep-wake cycle, which influences when you feel sleepy and when you feel awake. Circadian rhythms are near 24-hour internal cycles that regulate many systems in your body, including your body temperature and patterns in hormones and appetite. Circadian RhythmĪligning your sleep schedule with your natural circadian rhythms may reduce the risk of sleep problems and other consequences of poor quality sleep. ![]() Understanding these natural rhythms is key to setting a bedtime that helps you get the right amount of sleep. There are certain physiological processes that affect when you feel sleepy and when you wake up in the morning. Finding the right bedtime can be a challenge. ![]()
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