Originally Posted by
CatJo
I use
Betwext's free Remind service for various things; really easy way to have a text sent to you at a specific time, you could easily use it for your wake-up call if you turn the volume all the way up

Google Calendar will do the same thing.
Originally Posted by
Doc Savage
Buy an alarm clock, and leave it in your suitcase. Works every time.
Be prepared for security fun, though:
Originally Posted by
cblaisd
While I wish I could help you, I understand your urge! I used to travel with a wind-up, Baby Ben clock. I liked the solid, mechanical-sounding tick-tock. It was a kindler and gentler thing to wake up to than my cell phone's current selection of Reveille!
But I finally stopped carrying it when one-too-many security line personnel would grill me because they'd never actually seen an analog or wind-up clock -- I pitied their youth when one of them said "Why don't you carry a real clock?!?"