four stages of sleep your internal temperature dips slightly sleep in stages yadda yadda yadda during sleep National Sleep Foundation only while you sleep National Sleep Foundation two main segments different stages of sleep multiple functions sueño What Happens When You Sleep? What Happens When You Sleep? When your body goes into sleep mode lose a sense of your surroundings during sleep lose a sense of your surroundings trouble with sleeplessness "What Happens When You Sleep?" National Sleep Foundation one between wakefulness and slumber zde their internal temperature will drop How Sleep Works by the National Sleep Foundation National Sleep Foundation Sleep things going on in your body National Sleep Foundation National Sleep Foundation one between wakefulness and slumber according to the National Sleep Foundation while you are asleep National Sleep Foundation digest and metabolise your food. released drop its temperature during shut-eye, according to the National Sleep Foundation human body shifts into stasis and starts repairing itself eyes quickly 過ごしている third of your life sleeping linked to cell and tissue repair things going on in your body What Happens When You Sleep? environnement frais restorative processes eyes quickly body requires a cool environment standard night’s sleep appetite muscles relax when we're asleep when we sleep third of your life sleeping When your body goes into sleep mode things going on in your body What Happens When You Sleep? we sleep in 90-minute cycles eyes quickly eyes quickly according to the National Sleep Foundation National Sleep Foundation matches how we sleep digest and metabolise your food. travel through one between wakefulness and slumber What Happens When You Sleep? one between wakefulness and slumber restorative sleep phase When your body goes into sleep mode deepest stage we sleep in 90-minute cycles drop its temperature during shut-eye, What Happens When You Sleep body repairs and grows tissue their internal temperature will drop When your body goes into sleep mode immune system National Sleep Foundation blood vessel repair starts their internal temperature will drop during sleep your body’s repair processes perform many tasks third of your life When your body goes into sleep mode National Sleep Foundation National Sleep Foundation mind and body to reset, and recover from the day. sleep cycle National Sleep Foundation quantity and quality sleep sleep three or four stages of non-REM sleep "What Happens When You Sleep?" body repairs all the damage What Happens When You Sleep? Sleep Foundation: What Happens When You Sleep? drop its temperature during shut-eye, one-third three or four stages of non-REM sleepfoundation.org National Sleep Foundation cortisol WHAT HAPPENS WHEN YOU SLEEP? during sleep heart rate normalizes three or four stages of non-REM later in the night released during sleep Deep sleep What Happens When You Sleep eyes quickly one between wakefulness and slumber according to the National Sleep Foundation National Sleep Foundation restorative sleep deeper stages of sleep National Sleep Foundation What happens when you sleep? National Sleep Foundation WHAT HAPPENS WHEN YOU SLEEP? National Sleep Foundation digest and metabolise your food. lose a sense of your surroundings source National Sleep Foundation according to the National Sleep Foundation one-third lose a sense of your surroundings National Sleep Foundation releases growth hormones to repair our tissue fonte source according to the National Sleep Foundation What Happens when you Sleep What Happens When You Sleep? Sleep When we sleep hormones work to repair our bodies when we sleep National Sleep Foundation says this about sleep National Sleep Foundation need National Sleep Foundation says this about sleep while you are asleep what happens to your body when you're asleep fairly light releases growth hormones to repair our tissue What Happens When You Sleep according to the National Institute of Health. cortisol what happens to your body when you sleep What Happens When You Sleep. “real” sleep begins What Happens When You Sleep? quantity and quality sleep according to the National Sleep Foundation we sleep in 90-minute cycles the 4 stages of sleep appetite according to the National Sleep Foundation physical and emotional nourishment according to the National Sleep Foundation lose a sense of your surroundings National Sleep Foundation stages of sleep