5 of the best sleep gadgets

Sleep Cycle (iOS)

£0.69 itunes.apple.com
Sleep Cycle’s creators say it’s being dragged awake from the abyss of deep sleep that’s to blame for your groggy morning blues, and promises to fix the problem for under a quid. Place your iPhone under your pillow and the app will use its accelerometer and gyro to gauge when you’re ready to rise and shine.