When pain interrupts sleep, bedtime can start to feel like another task you are failing. You may arrange the pillows, turn off the light, and still spend hours trying to find a tolerable position. Being tired enough to sleep and being able to sleep are not always the same thing.
Aim for comfort, not a perfect routine
A quieter environment, comfortable bedding, or a predictable wind-down may help you settle. Different people need different temperatures, positions, and amounts of support. A pillow that helps one person may worsen another person's discomfort, so adjust gently rather than forcing a recommended setup.
Choose a small routine you can actually manage: putting essentials within reach, lowering the light, or listening to something familiar. It does not need to become an elaborate hour of tasks. Missing a routine on a difficult night is not the reason you are ill.
Bring persistent sleep problems into your care
Fibromyalgia treatment may involve addressing both pain and sleep. Tell your clinician what happens at night and how it affects the day. Ongoing sleep difficulties may need assessment beyond general sleep-hygiene advice, including a review of medicines or other contributing problems.
Avoid changing medication doses or adding sleep products without checking what is appropriate for you. The aim is a plan that fits your actual situation.
If you are awake tonight, you do not need to turn that into a judgment about yourself. You deserve support with sleep, not another set of rules to feel guilty about.
Further reading: NIAMS: Fibromyalgia treatment and sleep.