85% of US population drinks at least one caffeinated beverage daily. Coffee contains caffeine that can increase alertness for some
Staying up all night may cause impairments similar to being drunk. Most people are awake for about 16 hours in 24 hours. Research shows it's better to get some sleep than none
Most dreams fade quickly after waking up. REM sleep is crucial for dreaming, which may be absent. Medications and alcohol can suppress REM sleep. Sleep disorders like sleep apnea can disrupt dream recall
Sleep apnea, narcolepsy, and chronic fatigue syndrome can cause morning sleepiness. Sleep paralysis may occur during waking or falling asleep
Most adults need 7-9 hours of sleep per night. Sleep duration varies by age and individual health. Babies and young children require more sleep than adults
Sleep is a state of reduced mental and physical activity. Body alternates between REM and non-REM sleep cycles. Sleep occurs in repeating periods lasting 90 minutes. Dreams occur during certain sleep stages