No time for some beauty pampering during the day? No fret. The latest crop of beauty masks and treatments involve sleep. Slather on these wonder products before you hit the sack, and they penetrate into your skin and do their magic while you’re sound asleep. This must be the legit definition of ‘beauty sleep.’ If only there was a way to wake up with our makeup and hair perfectly done. Now that would be sweet. Check out the slideshow above for the best overnight facial products—including an anti-aging nighttime pillow case!