[header] How to get through the day on less than four hours of sleep [title] Do wake up exercises. [step] Get your body moving by doing at least two to three wake up exercises. Go for a short run, walk, jog, or do basic stretching moves. 
Exercising will raise your core body temperature and release hormones and endorphins in your body, which will boost your energy. [substeps] Do an upper-body fan stretch.