Articles
Understanding your sleep, your snoring and what happens at night.
How do I know if I snore, and how badly?
Either someone tells you, or you have no idea. Here are the methods that actually give an answer, and why recording your nights is the most honest one.
Waking up tired after eight hours: the likely causes
Eight hours in bed and still exhausted. The problem is almost never how long you slept, but whether the night held together — and that can be measured.
Sleep talking: why it happens, and should you worry?
Somniloquy affects a lot of people and is almost always harmless. Here is what is known, what is not, and how to find out whether you talk at night.
Sleep stages without a smartwatch: what's possible, and what isn't
An iPhone alone can estimate your sleep stages, but not measure them. Honestly, here is what each method can do — and what it makes up.
Recording your snoring with an iPhone: the practical guide
Where to put the phone, whether to plug it in, how much battery it costs, and why recording eight straight hours is a bad idea.