Please choose the correct ending to complete the given sentence: Health: [header] How to feel awake after changing to daylight savings time [title] Take a power nap. [step] Take 20 minute power naps to energize and invigorate you. These can be particularly helpful during the afternoon.

Ending1: They've been shown to help improve the body's ability to process daytime sleep. [substeps] Sleeping right beforehand will ensure adequate energy from you body while also increasing motivation to wake up. Ending2: Some energy is not actually used when you use your power naps, so take enough when you're trying to continue your light cycles. Lay down on a regular sleep schedule and avoid using them for periods of about eight hours if you intend to look it up later on in your day. Ending3: If you have a long lunch break at work or a break between classes, utilize that time to recharge. [substeps] Naps that are longer than 20 minutes will cause you to enter into deep sleep and you will feel groggy rather than awake afterwards. Ending4: They can help you relax and breathe more deeply during the day. [substeps] Get up during the day to let your body stay put and take a nap.

Answer format: ending1/ending2/ending3/ending4