Ay, nosebleed lang yan, mama, super common lalo na pag malamig or pag dry ang hangin sa bahay! One of my mum friends din nangyari sa kanya every morning pag maaga, kaya ngayon she makes sure may humidifier sila sa kwarto and she drinks lots of water throughout the day. But since ito first time mo and it's happening regularly na, mas better na i-check mo na with your doctor para masigurado na walang ibang issue, para matulog ka nang mahimbing without worrying! Siguro lang, don't panic, usually minor lang talaga ang ganitong bagay.