le réveil = the alarm-clock

My Monday morning friend... no comment.

Numerous studies regularly emphasize the benefit of sleep:
A good link --> Harvard Medical School:
http://healthysleep.med.harvard.edu/healthy/matters/benefits-of-sleep

l'addition = the bill

If you are going to the restaurant or café this weekend here is a good one:
Ask for "l'addition" = "the bill" when paying.
You can even try a "Garcon! L'addition s'il vous plait!" or "Mademoiselle! L'addition s'il vous plait!" = "Waiter! the bill please!"

When the bill is really higher than expected, you can say it is "salty" = "salée" (as opposed to "sweet" I suppose...) = "L'addition est salée".