4/14/2023 0 Comments Philips smartsleep vs dreem 2![]() Experimental participants wear a headset that records their brain activity and notes when they have started to make those slow waves. One of the most promising techniques to do so works a bit like a metronome counting the brain into the correct rhythms. Such results led scientists including Born to wonder whether we might therefore be able to enhance the benefits of sleep and improve our daytime functioning by boosting the production of those slow waves. ![]() They also lead to dips in the stress hormone cortisol and help to rejuvenate the immune system so that it is readier to fight incoming infections. The slow waves may also trigger the flow of blood and cerebrospinal fluid through the brain, flushing out potentially harmful debris that could cause neural damage. “The slow waves facilitate the transmission of information,” says Jan Born, director of the Department of Medical Psychology and Behavioural Neurobiology at the University of Tübingen, Germany. It allows the necessary brain regions to pass our memories from short-term to long-term storage – so that we don’t forget what we have learnt. Research since the 1980s has shown that slow-wave sleep is essential for the brain’s maintenance. (It’s a bit like a crowd chanting or beating a drum in unison). On a regular night, the brain cycles through many different stages of sleep, each with a characteristic pattern of ‘brain waves’, in which neurons in different regions of the brain fire together, in synchrony, at a particular rhythm. Various experiments across the world have shown that it is possible to boost the efficiency of the brain’s night-time activity – speeding up the descent into deep sleep and enhancing our rest once we get there. This possibility may be closer than it sounds, thanks to new ‘sleep optimisation’ techniques. When our immediate demands exceed the hours in the day, sleep is still our top sacrifice.īut what if we were able to simply optimise the sleep experience so that we enjoyed most of the benefits of deep sleep, in less time? The consequences – including impaired memory and decision making, and increased risk of infection and obesity – are well known, but easy to ignore. Many of us are following suit: according to the Centers for Disease Control and Prevention, more than one third of US adults fail to get enough sleep on a regular basis. Thomas Edison, Margaret Thatcher, Martha Stewart and Donald Trump have all famously claimed to get by on just four or five hours’ sleep a night – much less than the seven-to-nine hours recommended to most adults. Muse 2 promises to support meditation by converting brain waves into sounds of the weather, while Mendi uses the currents to train the brain.We often wear our sleeplessness as a badge of pride – a measure of our impossibly hectic schedules. With Muse 2 and Mendi, two other companies are pursuing the approach of brainwave measurement, although the focus here is different. The Dreem 2 can be purchased directly from the manufacturer for $299. It should therefore not disturb during the night and sit comfortably on the head. The headband is made of textile and foam, is completely flexible and personally adjustable. The headband provides additional support, for example by playing out so-called “white noise” during the night to calm down. On the basis, it can be led now steps into the ways around own sleep to improve. Improvement of sleepįinally, the app is used to set personal sleep goals and create a sleep profile based on the data collected. Here it can be read off how regenerative the sleep was and what could have disturbed it. ![]() These record important physical values locally on the device throughout the night and combine them every morning to form a “night card” on the smartphone (Bluetooth and WiFi are deactivated at night). Numerous sensors and functions such as an EEG, heart rate monitor, accelerometer, bone conductors and a sonometer are built into the headband.
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