elnom zay el2akl lel mo5. elnom elkafi beysa3ed elgesm wel mo5 3ala enno yekbar we yetatawar. 7asab National Sleep Foundation fel US, elkobar me7tagin sab3a le tes3a sa3at nom kol lela. lel tolab men 10 le 17 sana, elmo3adal elsalem howa 7awali taman le tes3a sa3at kol lela.

laken ketir men eltolab mabeyakhdo4 nom kafi 3a4an elmadrasa betebda2 badri wel wazefat elketira. 7awali 80 fel mya men tolab elmadares elmotawasta mabeyakhdo4 nom kafi, 7asab China Youth and Children Research Center. ba3d eltolab 3ayzin yenamo badri, bas beyefdaloo y2ala2o 3ala elwazefat we mabye3rafo4 yenamo besohola. we elba3d elakhar momken yekon 3ando ara2 we maye3raf4 yenam 5ales tool ellel.

elma4akel di fel nom bet2asar 3ala 7ayat elnas gamed. el5obra2 bayano en na2s elnom 3and elmorahkin beywadi le daragat we5a. eltolab elli mabeyakhdo4 nom kafi mabye3rafo4 yerakzo fel fasl wala yel3abo kwayes fel reyada. kaman, na2s elnom momken ye5alihom mekta2bin.

min el7az, lama yekon fi 3adat nom kwaysa, beyeb2a ashel ennak tenam. ba3d el3adat elkwaysa di bet4mel en el4akhs yetganeb elma4robat elli betkhali elnas met7amsa fe akher elyom, yenam fe nafs elwa2t kol lela, we yenam fe makan mori7 modlem, hadi, we mesh 7ar awi wala bard awi.
law Li Hong 3andaha 15 sana, kam sa3a nom me7taga kol lela?
10-12 sa3a. 8-9 sa3at. 7-8 sa3at. a2al men 7 sa3at.