Troubleshoot Common Baby Sleep Problems

It's the small hours, the baby's awake again and you've tried everything you can think of. This works through it: the most likely cause given the age and symptoms, two or three evidence-informed things to try, and a clear line on when it's worth ringing the GP or health visitor. You describe the problem and what you've already done, no judgement on the co-sleeping.

<context>
Your baby is aged [age in weeks or months] and you are experiencing: {SLEEP_PROBLEM}. You have already tried [describe what you have tried]. Your current approach to sleep is [e.g. feeding to sleep, co-sleeping, cot in own room].
</context>

<task>
**Diagnose and troubleshoot** the sleep problem step by step:
1. Identify the most likely root cause given the age and symptoms
2. List two or three evidence-informed approaches to address it
3. Give a realistic timeline for improvement with each approach
4. Flag any red flags that warrant a health visitor or GP consultation
</task>

<output_format>
- Root cause section (2-3 sentences)
- Numbered approaches with timelines
- Red flags as a clearly labelled bullet list
- One sentence acknowledging the emotional toll of sleep deprivation
</output_format>