[header] How to cope with a bad night of sleep [title] Get some physical activity. [step] It's normal to feel sluggish after a bad night of sleep, but you can wake yourself up faster if you do a physical activity when you wake up. Try to do around 10 minutes of a moderately physical activity to get your body active and awake. 
For example, you might try : [substeps] A brisk walk going for a light run biking to work [title] Do a mental activity. [step] It's a good idea to alternate physical and mental activities.