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原標(biāo)題：是不是每个b日起来都不一样

　　央??(yang)視??(shi)網(wǎng)??(wang)消??(xiao)息??(xi)：中??(zhong)國??(guo)睡??(shui)眠??(mian)研??(yan)究??(jiu)會??(hui)發(fā)??(fa)布??(bu)的??(de)《2025年??(nian)中??(zhong)國?(guo)睡??(shui)眠??(mian)健??(jian)康??(kang)研?(yan)究??(jiu)白??(bai)皮??(pi)書??(shu)》顯??(xian)示??(shi)??，在??(zai)對??(dui)15萬??(wan)多?(duo)人??(ren)的?(de)調(diào)?(tiao)查??(zha)中??(zhong)??，入??(ru)睡??(shui)難??(nan)仍??(reng)是??(shi)主??(zhu)要?(yao)困??(kun)擾??(rao)之??(zhi)一??(yi)??。??那??(na)么??(me)??，目??(mu)前??(qian)人??(ren)們??(men)普?(pu)遍??(bian)存??(cun)在??(zai)哪??(na)些??(xie)睡??(shui)眠??(mian)問?(wen)題??(ti)？??我??(wo)們??(men)又??(you)將??(jiang)如??(ru)何??(he)改??(gai)善?(shan)睡??(shui)眠?(mian)質(zhì)??(zhi)量??(liang)呢??(ne)？　　白??(bai)天??(tian)的??(de)睡??(shui)眠??(mian)時??(shi)間??(jian)不??(bu)要??(yao)超??(chao)過??(guo)45分??(fen)鐘??(zhong)??。??。