I'm 17 weeks and I have no problem going to sleep... But I wake up a few times in the night to go to the toilet and then back to sleep... But the last week or so I've been waking up at 4;30, 5am and not managing to fall back asleep.... It's so annoying! Is this a pregnancy symptom? Is there anything that could help? I do nap now and again in the day and evening maybe cut them out if I can?