Sleeping too much can also affect your health!

Oversleeping, or long sleeping, is defined as sleeping more than 9 hours in a 24-hour period. Sleeping too much also affect your health! Symptoms of oversleeping include: - Sleeping more than 9 hours a night - Excessive napping during the day - Excessive daytime sleepiness

睡过头，或长时间睡眠，是指 24 小时内睡眠时间超过 9 小时。睡太多也会影响您的健康！ 睡过头的症状包括： - 每晚睡眠时间超过9小时 - 白天小睡过多 - 白天过度嗜睡