My Philips SmartSleep Deep Sleep headband keeps sliding off during the night

I am not hearing anything while sleeping. Is Philips SmartSleep Deep Sleep Headband working?

My sleep graph says I woke up many times, is it ok?

I cannot sync the Philips SmartSleep Deep Sleep Headband with the SleepMapper App

Using the Philips SmartSleep Deep Sleep Headband without syncing with the SleepMapper App

How do I set up my Philips SmartSleep Deep Sleep Headband?

What are the benefits of wearing my Philips SmartSleep Deep Sleep Headband?

My SmartSleep score versus another device's results

Can my bedpartner and I share the same headband?

Can I pair my Philips SmartSleep Deep Sleep Headband with two phones?

How to determine your correct SmartSleep device size?

How do I charge my Philips SmartSleep Deep Sleep Headband?

How often do I need to replace the sensors of my Philips Deep Sleep Headband?

How do I clean my Philips SmartSleep Headband?