front 1 Insomnia Rate | back 1 1 in 5 adults; Description: Ongoing difficulty falling or staying asleep; Effects: Chronic tiredness, higher risk of depression, obesity, hypertension, and pain. |
front 2 Narcolepsy Rate | back 2 1 in 2000 adults; Description: Sudden attacks of overwhelming sleepiness; Effects: Risk of falling asleep at dangerous moments, attacks last <5 minutes, extra caution needed in everyday activities like driving. |
front 3 Sleep Apnea Rate | back 3 1 in 20 adults; Description: Stopping breathing repeatedly while sleeping; Effects: Fatigue, depression, linked to obesity (especially men). |
front 4 Sleepwalking Rate | back 4 1–15 in 100 adults; Description: Repeated complex motor behavior during Stage 3 sleep; Effects: Few serious concerns, usually returns to bed on their own, rarely remembers episode. |
front 5 REM Sleep Behavior Disorder Rate | back 5 1 in 100 adults (general), 1 in 50 adults (50+); Description: Acting out dreams while asleep, including vocalizing or motor behaviors; Effects: Risk of accidental injury to self or bed partner. |