Most people could benefit from a few extra hours of sleep every night. But some people habitually sleep much less than the recommended amount, yet report feeling no ill effects...
Quality sleep is important to support a 人妻中出视频's developing immune system, not to mention that a tired kid is a cranky kid. This downloadable form helps you track your 人妻中出视频's...
Most of us need coffee to get going if we don't get a full night's sleep. But "short sleepers" get by with just six hours or less without feeling tired...