clock will light up. >> i like that. >> just show you. this sleep mask has a digital alarm in it. a half-hour before you have to wake up. the little pads light up. they're very bright. if the light doesn't wake you. then an alarm will go off. >> gradual wakeup. >> simulating sunrise. >> was it pretty comfortable? >> very comfortable. >> how much? >> $75. >> sleep plus sound. sound machine with a big difference. i have to push the ocean button here. this has a microphone. microprocessor in there. if during the night -- you see it gets low again. >> very cool. >> wa, wa. if an ambulance or policeman goes by. the microphone hears it. adds sounds. if it's the jungle, it might add more birds, whatever. >> in a city like new york, noise, police cars, this --