Smartwatches and fitness trackers are excellent tools for monitoring health and fitness, but wearing a watch isn't always practical. Sleeping with a smartwatch can be uncomfortable, and their typically casual designs don't always complement dressier outfits.

The Oura ring is a great fitness tracker for minimalists. It picks up on your sleep, HRV, skin temperature and more while you sleep, and its app tells you how recovered and ready you are each day. Today,

Although the Oura Ring 4 isn't on sale, you can pick up the Oura Ring 3 for just $249 at Amazon right now, which is one of the lowest prices we've seen it drop depending on your choice of color and size. The Ultrahuman Ring Air is on sale for $296 at Amazon down from $349, too.