When to speak to a clinician.
Most difficult nights pass. Timing drifts, a stressful fortnight ends, a schedule settles, and sleep comes back without anyone needing to intervene. But some patterns are worth taking to a professional — not because something is necessarily wrong, but because they are the kind of thing a clinician can investigate and general guidance cannot.
What this page is for
Restadian explains timing, light, and daily rhythm. That covers a great deal of ordinary sleep difficulty, and if your nights improve when your schedule does, you are likely in the territory this site was built for.
The signals below sit outside it. They are the points at which reading more articles — including ours — stops being the most useful thing you can do, and a conversation with a doctor or a sleep service starts being more useful instead.
None of these is a diagnosis. Each is simply a reason to have the conversation.
Four patterns to take to a professional.
These are the ones that most often need something general advice cannot provide.
- Signal 01
Difficulty sleeping that has lasted more than three months
Trouble falling asleep, staying asleep, or waking far earlier than you intend — happening most nights, for longer than three months, and affecting how your days go. Persistent insomnia is common, it is well understood, and there are established treatments for it. It is also the pattern least likely to resolve by reading more about sleep.
Ask about cognitive behavioural therapy for insomnia, which is the first-line treatment in most clinical guidance.
- Signal 02
Someone has seen you stop breathing in your sleep
Pauses in breathing, gasping or choking awakenings, or loud snoring that a partner has noticed. This is one of the few sleep signals another person can see and you usually cannot, which is why a partner's report matters so much here. It is investigable, and investigating it is straightforward.
Ask about a sleep study. Bring whoever witnessed it, or ask them to describe what they saw.
- Signal 03
Sleepiness that persists no matter how much you sleep
Falling asleep unintentionally during the day, needing to nap to get through ordinary activities, or feeling unrefreshed after a full night in bed, repeatedly, over weeks. Being tired and being sleepy are different things: tiredness is low energy, sleepiness is difficulty staying awake. It is the second one that warrants a look.
Describe when you fall asleep and what you were doing at the time. Specific examples are more useful than a general sense of exhaustion.
- Signal 04
Sleep problems that come with something else
Sleep difficulty alongside low mood, persistent anxiety, uncomfortable urges to move your legs at night, acting out dreams, or a change that began with a new medication. Sleep and the rest of your health are not separate systems, and the cause is often not in the sleep itself.
Bring a list of any medications and when you started them, including anything over the counter.
What is useful to bring.
Appointments are short, and sleep is difficult to describe from memory. A little preparation changes what a clinician can do with the time.
- Two weeks of a sleep diary: when you went to bed, roughly when you fell asleep, when you woke, and how you felt the next day.
- What a typical night looks like now, and when it last looked different.
- Anything another person has noticed — snoring, pauses, movement, talking, restlessness.
- Your current medications and supplements, including anything you started recently.
- Your caffeine and alcohol timing on an ordinary day, not an ideal one.
- The specific thing that made you book the appointment. It is usually the most informative sentence you will say.
None of this means something is wrong.
Sleep varies. Bad weeks happen to people with entirely healthy sleep, and one difficult night tells you almost nothing. The reason to see someone is not that a difficult period is proof of a problem — it is that a pattern which has lasted, or which someone else has witnessed, is worth having looked at properly.
And if you are reading this in the middle of a night you cannot sleep through: nothing needs deciding right now. Note it down, book something in the morning, and let tonight be what it is.