Maciek Drejak, lead developer of Sleep Cycle, says the app does record small movements, but when analyzing your sleep patterns, it "filters" the ones it doesn't think are relevant.

WSJ: Smart Alarms Decide When You Should Really Wake Up

"We understand that consumers have varying capacity needs and we strive to provide solutions that match differing requirements, " said Maciek Brzeski , vice president of product marketing and development of branded storage products, Toshiba America Information Systems, Inc.

ENGADGET: Toshiba unveils 2TB Canvio Basics and Special Edition portable drives