จำนวนข้อความ : 150 Join date : 02/02/2015 Age : 31
เรื่อง: Re: How long do you sleep at night? Wed May 13, 2015 7:11 pm
not more than eight hours! We have 24 hours per day, I divide into 3 parts: 8 hours for studying, 8 hours for sleeping, and 8 hours for doing anything that are useful to me.