Alarm clocks are great for waking you up, but the problem is that they tend to wake your spouse up as well. That might not be a problem, but your spouse may have a different schedule. The Shake and Wake Alarm Clock is a good solution.

It wakes you up by vibrating. Just strap it on your wrist or put it under the pillow. Or uh, elsewhere for a great wake up. Your partner will never know and you will be awake and ready to start your day.