Most people think about the crash itself, the car, the other driver and the drive home. Fewer think about the first full night afterward. Yet a night in bed is often where the body shows how it is handling the strain of the day, which makes it a useful thing to write down before your visit.
This article is general education, not a diagnosis. Only an examiner can look at your history, check how your body moves and decide what it means. What you can do this week is keep a plain record of how you sleep, so the person examining you has something specific to work with.
Why nights can tell a different story
During the day you are busy, and distraction can hide a lot. Lying still in the dark removes most of that distraction. Some people notice that a sore spot they could ignore at lunch becomes hard to ignore at 2 a.m. Others find that the first position they settle into feels fine, but rolling over wakes them. Neither pattern tells you what is wrong. Both are worth a line in a notebook.
Keep it simple. Each morning, write the date, what time you went to bed, roughly how many times you woke, and whether you woke because of an ache, a tingling feeling, a stiff neck or simply because you could not get comfortable. If you changed pillows, mattresses or sleeping spots, note that too. Those changes can matter to an examiner who is trying to sort out what was going on before and after the wreck.
What to note about position
Position is the detail most people forget. Write down which side you slept on, whether you used extra pillows, and whether you slept in a recliner or on the couch because lying flat felt wrong. If you could only sleep on your back, say so. If the first hour in bed was worse than the last, say that too. Plain sentences such as "could not lie on my left side without my shoulder waking me" are more useful than general words like "bad night."
Also note what helped, even slightly. A warm shower, a pillow under the knees or getting up to walk for a few minutes may have changed things. That information shows what you tried on your own, which is a fair thing to tell your examiner.
Things that are not sleep problems
Not every bad night is linked to the crash. Work stress, a new mattress, a cold, a child who woke you up or a late cup of coffee can all play a part. Writing down these ordinary explanations next to the crash-related ones keeps the record honest. An examiner will trust a log that admits uncertainty more than one that claims every detail is connected to the wreck.
Bring the log to your first visit
Print it, or keep it on your phone, and bring it with you. Read it aloud or hand it over. Pair it with the date of the crash and the dates you first noticed a change. If you take sleep aids or pain relievers, add them to the log with the dates and amounts you remember. If you are estimating, say so.
Your examiner may ask about nights you have not written down yet. That is normal. Keep the log going after your first visit so the next appointment can compare the week before to the weeks after, instead of relying on memory alone.
When to stop waiting
A notebook is not a substitute for care. If your nights are getting worse rather than better, if you wake with numbness or weakness, or if something feels like it has changed in a way that worries you, do not wait for the next scheduled visit. Contact a medical professional promptly. The log is there to support that conversation, not to delay it.