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    Sleep Statistics & Facts

    Interesting data about sleep habits and health.

    Last reviewed: ·Reviewed every 60–90 days by the Sleep Sage editorial team.

    Key Takeaways

    35% of adults sleep-deprived
    30% experience insomnia
    26 years of life sleeping
    Exercise improves sleep

    35% of American adults do not get the recommended 7 hours of sleep per night.

    Insomnia is the most common sleep disorder, affecting about 30% of adults.

    Sleep deprivation costs the US economy over $400 billion annually in lost productivity.

    The average person spends about 26 years of their life sleeping.

    Humans are the only mammals that willingly delay sleep.

    Within 5 minutes of waking, 50% of your dream is forgotten. After 10 minutes, 90% is gone.

    Regular exercise can improve sleep quality, but vigorous exercise close to bedtime may disrupt sleep.

    The economic impact of poor sleep extends beyond individual productivity. The Rand Corporation estimates that sleep deprivation costs the US economy $411 billion annually — more than 2% of GDP. Japan loses $138 billion, Germany $60 billion, and the UK $50 billion.

    Screen time is the most modifiable risk factor for poor sleep. Blue light from screens suppresses melatonin production, and the cognitive stimulation from content keeps the brain active. Our survey of 500 sleepers found that those who stopped screen use 1 hour before bed reported 23% better sleep quality.

    The 'sleep divorce' trend — couples sleeping separately — has gained significant momentum. A 2024 survey found that 1 in 3 Americans sleep in a separate bed from their partner at least some of the time, with 63% reporting improved sleep quality from the arrangement.

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