Use reasoning to answer the following question.
He actually felt refreshed after switching to getting up early, sleeping in had been leaving him what all day?\nOptions:\n- bloodshot eyes\n- alertness\n- feeling tired\n- starting early\n- happy

feeling tired
Waking up late in the mornings may cause laziness and tiredness.

Sleeping in means waking up late.

.

So, the final answer is feeling tired