Best value, best overall. Compact clock has a snug case that converts into a stand. Buttons are hard to press, but there are only four of them (not including snooze). Takes one lithium-cell battery.

New research published in the Primary Care Companion for CNS Disorders has shown that watching the time while trying to fall asleep makes insomnia worse and is associated with more use of sleep aids.

Watching the clock while trying to fall asleep exacerbates insomnia and the use of sleep aids, according to new research -- and a small change could help people sleep better. Watching the clock while ...