My 2 weeks old LO is starting to wake up every 1 hour.. Can't be feeding him every hour, any remedy to make him sleep longer? He seems to be awake and alert and I'm totally drained....

Newborn sleep is still immature and driven by the basic needs. Hence, with their smaller stomachs, it is common for them to wake up once few hours (or every hour for your case) to nurse. The duration will gradually lengthen as their sleep cycle matures. Hang in there mummy! You can perhaps try nursing in bed to try and get some rest yourself.