Got ur pain n concern though it's unfortunate but common in late night work life or night shift workers.
Usually we are trained to work in day or rest at night but some time during studies or our employer hijacks n alter our biological clock leading stress n health concerns.....
Next Steps
Have sleep with empty stomach whenever you reach home after bath n tea or milk.
then have food after complete rest {sleep}, this will compensate ur rest. usually it'll be half time of ur rest at night.
Health Tips
Massage once in week or as per ur requirements to refresh your senses for better or escalation in congnative abilities