A McKinsey study showed that consumer electronics wearable devices can be used to study the relationship of sleep with demographic, socioeconomic and lifestyle factors. However, measuring sleep by itself does not solve this. Indeed, there is research that considers sleep trackers to be part of the problem.
In other words, the devices that monitor the quality of rest can have anxious effects in those people who live with difficulty being out of the norm. For everyone else, having the ability to know heart rate, sleep movement, wakefulness and other parameters can be useful for changing your routines throughout the day. However, it is necessary to rely on optimized devices.
To say, it is not always a good choice to randomly fish in the growing number of apps that promise relaxing sounds and meditation sessions. The American Academy of Sleep Medicine institute that studies the subject has analyzed more than two thousand apps and certified validity for only 3 percent.
If we limit ourselves to wearables, the most popular fitness trackers measure indicators such as heart rate, sleep and activity level. But in some cases, rest monitoring requires a separate subscription.
If you want something more specific, you need to read carefully if the tracker only monitors the heartbeat or even the blood rate, or if it limits itself to signaling the sleep-wake cycles. And so if your device has ECG sensors that measure blood oxygen saturation, heart rate, respiratory rate and movement or even Ppg (photoplethysmography) sensors for blood pressure.