raising a baby is definitely a uphill and taxing both sleep and mental health, the sleep wake cycle of baby is still evolving by now it wud hv decreased his total sleep duration, however the cycle is still maturing.
Next Steps
give baby adequate feeding before u go to sleep, make him burp and tuck him to his bed. i hope this wud help
Health Tips
dont worry its just a phase u ll get back to ur normalcy soon