Shipping Security & InsuranceĪll orders shipped by PB Tech are sent via a courier with a signature required for each delivery. To calculate what the shipping costs will be for your order, add the items you are interested in to your cart, view the Shopping Cart page, and select your 'Delivery Area' to calculate the shipping cost. For a truly accurate understanding of your sleep stages, you’d need to undergo a clinical sleep study, monitoring things like brain waves, heart rate and blood oxygen.Shipping costs vary based on your location and the items being shipped and in some cases shipping may even be FREE. An app or tracker can only tell you so much. However, maintain some critical distance and take the data with a pinch of salt. “If you are suffering from sleep issues, a sleep tracker can be a helpful way to collect data that can then be used to find patterns that might be contributing to sleep problems. It’s normal to spend around 20-25% of your sleep time in REM sleep.” – Jim Generally, the first REM cycle will occur about 90 minutes after you fall asleep, and subsequent cycles will become longer as the night goes on. “When tracking REM sleep with a device like an Oura ring or Whoop band, you should aim to see a pattern of multiple REM cycles throughout the night. We also struggle to concentrate, make sensible decisions, be alert and productive.” – James Wilson, sleep expert at Issviva If you use a sleep tracker, what kind of pattern should you be looking for? It’s common for those suffering from sleep deprivation to feel weepy, or very angry about the smallest things, waiting for someone to trigger them. When we sleep poorly, we aren’t able to process our emotions, and this means we struggle to control our more extreme ones. “As REM sleep is linked to memory and cognitive function, one of the biggest indicators that you’re not meeting your REM sleep quota is how emotionally resilient you are. What are the key signs your REM sleep is out of balance? This is why you may experience more bizarre narratives in your dreams during this stage of sleep.” – Theresa Schnorbach, sleep scientist at Emma Studies show the dreams we experience during the REM stage can help us heal emotionally, allowing our memories to connect in new ways. “During REM sleep, the brain’s visual, motor, emotional and memory-related regions are highly active – almost identical to when we are awake. It’s also been linked to better mental health, including reduced stress and anxiety levels.” – Jim Getting enough REM sleep is important for improving our memory, as well as our learning, creativity and problem-solving abilities. During this stage of sleep, the brain is very active and works hard to process and consolidate memories. “REM sleep is critical for our brain and body to function at their best. You have between four to six REM stages per night.” – Jim Kwik, brain coach at The Health Optimisation Summit Why is REM sleep important? The first REM period lasts around ten minutes, and each REM stage that follows gets longer and longer. As you sleep, the body cycles through non-REM and REM sleep. REM sleep happens about 90 minutes after falling asleep and that’s when you tend to have vivid dreams. During REM sleep, our brains are very active and working hard to process information learned during the day – think of it as your brain sorting through everything it went through that day, deciding what to remember and what to forget. It’s called REM because our eyes move back and forth quickly during this stage of sleep, almost like we’re watching something in our dreams. “Rapid eye movement (REM) sleep is a unique stage of sleep that happens a few times while we’re sleeping.
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