There is no proof of this as to why. Only that it happens. For example:
* the hour of lost sleep does not happen on Monday, but on Sunday morning
* people could sleep in on Monday, then get hyper stressed that they are late
* type A personalities could get mad at an office of sluggish people
* people could get upset at everyone complaining about DST again, my blood pressure went up at your post!
There is no proof of this as to why. Only that it happens. For example:
* the hour of lost sleep does not happen on Monday, but on Sunday morning
* people could sleep in on Monday, then get hyper stressed that they are late
* type A personalities could get mad at an office of sluggish people
* people could get upset at everyone complaining about DST again, my blood pressure went up at your post!