1.Sleeping on weekeds not only makes you more lazy,and also more tired.
, n* D' X7 a: \4 Z9 ]0 \8 @2.Daily cycle of circadian regulate the body's biological clock.
( h, ]. ~5 A# y+ A! U3.Sleeping early is more efficient than sleeping late.
( H8 C t- B7 Q, Y1 }% s0 ]+ S4.To balance your working day and weekend's sleeping,the best option is to sleep to meet the 8-hours.
4 w8 n0 p" O1 T5.为了维持我们的生物钟,我们需要在我们平常早上起床前8个小时上床。 |