Please choose the correct ending to complete the given sentence: Health: [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.

Ending1: [substeps] If you feel tired, loosen your muscles up by doing stretches like yoga, squats, step aerobics, or push ups. If you feel tired, consider going for a jog or a swim. Ending2: Try going for a brisk walk, a jog, biking, swimming, or some gentle stretching before bed. [substeps] Some exercises you can do are anaerobic aerobic like cardio, volleyball, and weighted jumping. Ending3: [substeps] In addition to providing energy for your body to fight off chemicals and rid it of irregularities, there are other types of exercise you can do. Walking, running, or even yoga can be helpful. Ending4: 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.

Answer format: ending1/ending2/ending3/ending4