Tom awoke from a deep sleep.

The baby seemed to be in a deep sleep.

He fell into a deep sleep.

He fell into a deep slumber.

I usually sleep soundly.

The baby was in a deep sleep in his mother's arms.

This stage occupies 45 55 of total sleep in adults.

The REM sleep, rapid eye movement, dream state, is in light green and light is gray, light sleep and deep sleep, the best restorative sleep, is that dark green.

And this tells you, of course, how much you had in REM sleep, in deep sleep, and all this sort of thing.

This is a beautiful, new device that gives you detailed sleep tracking data, not just whether you're asleep or awake, but also your phase of sleep deep sleep, light sleep, REM sleep.

But what is exactly that stuff that we lose under anesthesia, or when we are in deep, dreamless sleep?

When the sun was going down, a deep sleep fell on Abram. Now terror and great darkness fell on him.

And we could take a very simple view and say, well, it is that which we lose when we fall into deep sleep without dreams, or when we go under anesthesia, and it is what we regain when we recover from sleep or from anesthesia.

Older people tend to sleep less overall but sleep in REM for about the same absolute time, and therefore spend a greater proportion of sleep in REM.

But there was a deep paradox in all of this.

He seemed to be in a very deep thought.

We had a sound sleep.

But it makes a whole lot of sense at some deep level.

I'm feeling a bit sleepy.

It has a deep melancholy ring.

Their work had a profound effect on his artistic direction.

So, we believe that on Europa there is, in fact, a deep ocean.

I'm feeling a bit sleepy.

He exhaled a deep breath in discouragement.

Monti, Jaime M., S. R. Pandi Perumal, Christopher M. Sinton (2008).

I heard his voice in my sleep.

And finally, there's a profound social impact.

Now, this is a profound biological effect.

Additionally, it has a profound effect on creative problem solving and deep information processing.

Deep sky objects Two well known deep sky objects can be found in Vulpecula.

Kofi Yeboah is a Ghanaian blogger and communications strategist with a deep interest in internet freedom.

These artists had a profound impact on Blige at a very young age.

Because work, like sleep, happens in phases.

There is now a kind of sleep deprivation one upmanship.

Sleep is the best medicine for a cold.

Tom had a heart attack and died in his sleep.

I slept much more lightly than usual.

It was deep in my imagination.

I'm going to take you on a deep dive.

Are you sleepy?

I'm a light sleeper.

I'm not sleepy.

I'm sleepy.

I feel sleepy.

I'm a heavy sleeper.