He increases his sleep by 6/3=<<6/3=2>>2 hour per night

So he now gets 6+2=<<6+2=8>>8 hours of sleep per night

# Answer

8
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Tom has only been getting 6 hours of sleep a day.  He increases that by 1/3.  How many hours of sleep does he get per night?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
8
Tom has only been getting 6 hours of sleep a day.  He increases that by 1/3.  How many hours of sleep does he get per night?
train