Please choose the correct ending to complete the given sentence: Health: [header] How to manage sleeping pill side effects [title] Exercise regularly. [step] Exercise can help you manage constipation, depression, a lack of attention or focus, and fatigue/drowsiness. Manage these side effects by getting at least 150 minutes of moderate aerobic exercise per week.

Ending1: Moderate aerobic exercise includes swimming, brisk walking, and biking. [substeps] For example, bike for an hour three times a week after work, or take a 30-minute brisk walk four to five times a week during your lunch break. Ending2: [substeps] Stand up from your desk or chair. Spread your toes out wide, and gaze at your feet while turning. Ending3: [substeps] Incorporate vigorous aerobic exercise into your regular exercise routine. You might try walking, bike riding, jumping rope, dancing, running, swimming, etc. Ending4: [substeps] Push a fitness bike or roller coaster to relieve general body aches including migraines. Take a cardio aerobics class or a walk weekly to manage muscle cramps and fatigue.

Answer format: ending1/ending2/ending3/ending4