1 Make studying a regularly-scheduled part of every day. 2  Study difficult subjects and those you do not find very interesting first, when your energy level is higher.  Be aware of your best time of day when you are the most alert, and use this time for studying.
Loading ... about 2 days contents of a 250ml cup of coffee. It only takes you two hours to process it trough your system if you weight 200 lb, you will loose 50% of it on your first urine, but it does not clear completely out of your system for about two days.
Other AnswersPot stays about 30 to 40 days if you smoke everyday then quit, coke stays about 2 to 3 days, the rest I don't think stays very long maybe a day or two!I have found that it varies by person and by substance. generally, weed stays in your fat cells (and therefore urine) for anywhere from 3 weeks - 3 months. It depends on the amount of alcohol in the blood. The liver metabolizes alcohol at the rate of about 1 shot of 80-proof per hour, so if you've had 8 shots in three hours â¦ you will have about another five hours to go.