- Nutrition: too little/too much food near bedtime
- Caffeine: long half life; can affect or delay sleep
- Alcohol: shortens sleep onset & rebound arousal
- Smoking: agitation; half life 1-2 hrs, smoking close to bedtime may delay sleep
- Exercise: activity increases REM & NREM sleep but if within 2 hrs of sleep can cause wakefulness
- Disruptions: schedule change, baby, phone etc
- Age-related issue
- Temperature: extremes impair sleep quality
- Light: problem in hospitals
- Noise: high noise levels assoc with less REM
- Sleep position: back sleepers have more apnea
- Pain: affects sleep latency and duration
- Medications: hypnotics, sedatives, anesthetics all decrease latency; cause wakefulness & anxiety
- Mood: depression & anxiety affect sleep
1 thought on “Factors Affecting Sleep”
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wow that’s quite a lot of factors affecting sleep… there is probably even more if one sits down to think about it