Meridian Health, T-Mobile, and iMPak Health jointly announced the launch this week of iMPak's SleepTrack sleep monitor.
The system has three components: a SleepTrak card (which is a credit card-sized wireless device that is worn on the upper arm), a free app offered through Nokia's Ovi store, and T-Mobile’s Astound smartphone, which is the only phone compatible with the SleepTrak device.
iMPak is...