Originally Posted by wendyg

The fear of this happening was why for many years I couldn't sleep the night before early-morning flights (which for me are typically long-haul, so hard to rebook). I solved it by setting *two*, sometimes even *three* alarm clocks to go off at 5-minute intervals. I'm unlikely to sleep through more than one, the second one is across the room, and I'm also unlikely to make mistakes setting all of them (a problem with 12-hour clocks where the AM/PM indicator is a small dot...).

wg