There have been peaks and valleys in drug use over the years.

The peaks and valleys are all right there in the art.

For others, there are many peaks and valleys along the way.

There are always going to be peaks and valleys in training, but down time is important.

We have peaks and valleys - so I'm not really sure.

They didn’t have the peaks and valleys others teams had.

Those teams have had their own share of peaks and valleys.

"He has had a lot of peaks and valleys this year," Green said.

Now if he could just eliminate the peaks and valleys.

As for the contemporary American food, it has many peaks and valleys.

We have tried to eliminate the peaks and valleys here.

"We've been through the peaks and valleys over the years," he said.

To many, these women are now part of what looks like a slaughter with peaks and valleys, but no end.

Your brain waves are different with higher peaks and valleys.

That is true; he has always had pronounced peaks and valleys.

Once you get into peaks and valleys, it kind of feeds on itself.

"As with any business, you have peaks and valleys," he said.

"I went through a lot of peaks and valleys playing this role.

During a season, you go through peaks and valleys, sometimes at the beginning, some in the end."

"I had a lot of peaks and valleys in my life that were making me uncomfortable," he said.

During the war (1861-64), there were many peaks and valleys in the tension between the two countries.

Instead, there's an interference pattern that shows peaks and valleys.

The former House speaker's career has, if nothing else, been marked by its series of peaks and valleys.

Dessert, like the rest of the meal, had peaks and valleys.

There are peaks and valleys at entree time as well.

Around about 6.30pm, is when the sun started to disappear behind the hills of Crofton Downs, and from 7pm to 7.40pm more peaks and throughs as clouds cleared then gathered again, then from around 7.50pm, the sun started to set altogether.