Top definition
The feeling when you lay down on your bed after being so tired and yet can't fall asleep because it feels too good.

A very good feeling when you're going to sleep on your bed after a long day of hard work.
Sam is suffering from hyperextensivesensation last night and can barely stay awake today.

"Aww man, I get hyperextensivesensation everytime I hit the bed."
by legitmofoa April 14, 2013
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug