Z is 3 1/2 months and is wearing the same, sometimes long sleeved vest sometimes short (whatever is clean!), sleepsuit and 2.5 tog bag and her hands are always freezing in the morning. She sleeps through and it doesnt seem to bother her. I did consider scratch mitts, but she sucks her fingers to self settle so didnt want her to wake in the night and not be able to settle herself! I wouldnt worry, but if you are try some mitts, or socks as my H once used, was very confused to find her in the morning with socks on her hands!