[enb]

I'll second this, as it has been my experience also. Having a young family I thought a 5 minute commute would be ideal, but found the half hour made me a more tolerable person.

[Retric]

If you need time to unwind, take it in the evening before you get home. You still save time in the morning and can use that unwind time to exercise.

[heavenlyblue]

Exactly: just take a walk for 30 minutes. I mean, it's certainly better that you can use that time for something else, even if you don't want to go home immediately - rather than being forced to commute.