To wake up fresh you need to get a good sleep and one of the best ways to ruin a good sleep is to upset your gut. You really need to keep it happy during the night. Coffee, red wine and chocolate have been scientifically shown to disturb your sleep more than any other food.
DOT drug tests require laboratory testing for the following five classes of drugs: 1  Marijuana. 2  Cocaine. 3  Opiates - opium and codeine derivatives.  Amphetamines and 1  methamphetamines. Phencyclidine  â PCP.
The DOT regulations outline refusals to test for drugs and alcohol. Some refusals are determined by medical review officers (49 CFR Part 40 Subpart G) and alcohol technicians (49 CFR Part 40 Subpart N). For others, the determination is the employerâs responsibility.