1.   After a few drinks, he would hold forth for hours on government conspiracy theories.

2.   And nearby residents reported a six-hour blackout in the pre-dawn hours on Saturday.

3.   Andrew and I spent many hours on the Windrush porch discussing almost everything under the sun from party politics to mystic transcendentalism.

4.   Dani spends hours on the phone.

5.   Doing jigsaws would amuse Amy for hours on end.

6.   Every hour on the hour a different doctor would walk into the room and put me through my paces.

7.   Every hour on the hour there we were, slaves to that teleprinter machine and its little bell.

8.   He was making posters after hours on the job and sending them to the Socialist Workers Party.