Please choose the correct ending to complete the given sentence: Travel: [header] How to make a hotel room more comfortable [title] Trade in your pillow. [step] Many hotels offer the option of swapping your pillow if yours is too hard, too soft, or too lumpy. Contact your hotel's sleep concierge or housekeeping department in order to get a pillow that suits your sleeping style.

Ending1: [substeps] You can also swap out your pillow for a matching pillow. That's two things you could trade, and you could even swap out your only pillow in some cases. Ending2: [title] Have a pre-sleep nighttime routine. [step] Turn off your computer and tv at least an hour before you go to sleep. Ending3: [substeps] You can also look for lightweight cushions that can withstand harsh weather. The same can be said for towels, pillows, linens, and other other soft items that you may use throughout the day. Ending4: [substeps] Room-checked hotels often offer their pillows to overnight travelers who are looking for a more comfortable sleep space. [title] Convert your carpet to room-provided wallpaper.

Answer format: ending1/ending2/ending3/ending4