By this standard, if you stop breathing during exercise, there is an error in your practice.

His results showed that he'd stopped breathing many times during the night.

With sleep apnea, you stop breathing many times during the night.

The fighter is usually instructed to breathe through the mouth during the treatment.

This measures the greatest amount of air you can breathe in and out during one minute.

You will be asked to lie very still and breathe normally during the test.

I don't think anyone breathed during Mickey's walk to the witness stand.

"I see no reason why the old fellow cannot be permitted to breathe fresh air during his last hours."

Then they told the volunteers not to breathe deeply during the test to see what happened.

A noseclip may help you to breathe only through your mouth during a treatment.