1.Sleeping late at weekends will make you lazier and more tired., _# ~4 m, s' g+ E( U8 U9 P, \7 \
3 |* d I! X; B2 [2 g) ]2.The biological clock inside is controlled by our daily circulation of physical rythem.
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3.Going to bed early is more efficient than sleeping late.
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4.You'd better sleep for at least 8 hours if you want to balance your sleep between weekdays and weekends. |8 I a* i' A( G. C
( `) `6 i, p! Q; m% ~, }$ r: G5.要想保持体内的生物钟,就像必须要保证八个小时的睡眠。 |