Sleep timing directly influences health Going to bed early promotes hormonal balance, cell regeneration, and mental rest. Going to bed later can affect metabolism, mood, and concentration. Going to sleep at 9:00 PM Promotes regeneration and helps maintain youth. Going to sleep at 10:00 PM Boosts brain function and improves memory. Going to sleep at 11:00 PM Can increase hair loss due to hormonal imbalance. Going to sleep at midnight Promotes weight gain and disrupts metabolism. Going to sleep at 1:00 AM Affects cell function and accelerates aging. Maintaining a regular sleep schedule and going to bed before 11:00 PM helps your body recover better and maintain good overall health.