choice for daytime use, it's important to switch to dimmer, warm light in the evening. this helps signal your brain that it's time to produce melatonin and get ready to rest. outfit light fixtures in your bedroom with amber-hue bulbs (look for ones with a light temperature of about - degrees kelvin)....
consider repainting wooden windowsills and trims to make everything look extra clean and bright. then deep-clean the carpets, especially if the previous tenants had pets. if the flooring is tile or wood, clean it thoroughly with an antibacterial cleaner and/or wood floor cleaner. replace burned-out light bulbs...