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    Sleep Disorders Health Center

    Hypersomnia / Daytime Sleepiness Directory

    Hypersomnia/daytime sleepiness is episodes of excessive sleepiness during the day. Follow the links below to find WebMD's comprehensive coverage about how hypersomnia/daytime sleepiness occurs, how it's diagnosed, how to treat it, and much more.

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    Thumbnail: 12 Tips to Avoid Daytime Sleepiness

    The problem of daytime sleepiness usually starts at night. Use this checklist of ways to improve nighttime sleep and avoid daytime sleepiness.

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