有的老人喜欢在白天偶尔打个吨,即便是几分钟也觉得精神大为好转。有关研究认为,老年人习惯打盹是健康的标志。老人睡眠时间通常在5～6小时,白天打盹可补充夜间睡眠的不足,提神养脑。但打盹次数不能太频繁,一般每次为10～15分钟,否则会影响夜间睡眠质量。 Some elderly people like to occasionally make a ton during the day, even if it is a few minutes also felt that the spirit is getting better. The study suggests that older people get used to nap is a sign of health. The elderly sleep time is usually 5 to 6 hours, nap during the day can supplement the lack of sleep at night, nourishing the brain. However, the number of snooze can not be too frequent, usually every 10 to 15 minutes, otherwise it will affect the quality of sleep at night.