The reason of good sleep I became a full member after probation for one year yesterday.So,I deal with all kinds of procedures from one section to anothers today.As our company is too large,I feel tired after finish it.Soon I get on the company's shuttle bus,I get down to sleep.I feel I have a good sleep when I wake up.I foud it due to the chair which backboard lean severely,So I can lie on my back for sleeping.