sand king SG Depends, if i have sugar rush then can go up to 2 hours, tossing and turning on the bed. If really jia lat tired then almost instant.
DC+ SG Quite long Maybe 3-5 hours. Lucky I can wake up anytime I want for my work. But if got occasion for me to wake up early, just use some self hynopsis to put myself to sleep.
wishboy SG sometimes when i really not tired, nv yawn, i can lie on the bed until the next morning with my eyes wide open
feb31 SG Usually 1-5 mins Occasionally 30mins-1hr Rarely 1hr+ Cos I would have got out of bed and watch tv