I'm posting this here rather than on the sleep forum because I'm not sure it's a sleep issue per se...
8 month-old DD generally sleeps very well but has spells of waking anywhere from 4.30. These spells usually last for 3-10 days, then we get a spell of a week or two of sleeping 6.45-6.30. She has a morning and afternoon nap in her cot, self-settles without any problems and is generally a cheerful little soul.
So why these early wakings? They're knackering but what's even worse is the feeling that they're somehow my fault.
I've come up with a theory: Could the early waking be related to mastering new skills? I noticed that she learned to roll onto her tummy after the first recent spell and sat up after another one. Now we're going through early wakings again - perhaps she's gearing up to crawling?
Is this outlandish and far-fetched? What are other people's experiences? Do I need to stop searching for whys and wherefores and just accept that this is what she does?!