"I made the error two years ago when I moved into my house to put a television in the bedroom," says Laura, 36, a marketing executive in Atlanta. "I'd never had a television in the bedroom before, and once you have it, it's hard to get rid of it."
If necessary, keep your door closed if you need to guard against distractions or noise from housemates or pets. Even if you're not allergic to them, allowing a cat in the bedroom can aggravate other allergies, found a 2007 European study.
You may need to remove clocks from your bedroom, as well. "We all come in and out of deep sleep every hour and a half, but if you don't actually realize you're awakeor that it's the middle of the nightyou fall right back asleep," Zammit says. "Noticing the clock can make you feel anxious and keep you up." If you need an alarm, cover it up or put it on the floor, out of sight.
"Sleep and sex" is the standard rule, but for some people, there's an exception: Getting intimate right before bed may leave you revved up instead of relaxed (this can be especially true for women). If you notice that this is the case, you may want to consider changing your sex schedule to the mornings or early evenings, and giving yourself time to unwind afterward.