Dizziness that hits when you lie down or roll over in bed is almost always caused by tiny calcium crystals that have come loose inside your inner ear. The condition is called benign paroxysmal positional vertigo (BPPV), and the good news is that specific head movements can fix it, often in minutes. For most people, this is a mechanical problem with a mechanical solution, not something that requires medication or surgery.
Why Lying Down Triggers Dizziness
Your inner ear contains small calcium crystals that help you sense gravity and linear movement. Sometimes these crystals break free and drift into the semicircular canals, the fluid-filled tubes your brain relies on to detect rotation. Once they’re in the wrong place, any head movement that shifts them, like lying back, turning over in bed, or tilting your head up, sends a false signal that you’re spinning. The result is a burst of intense vertigo that typically lasts 15 to 60 seconds before fading.
BPPV accounts for the vast majority of positional dizziness and can happen at any age, though it becomes more common after 50. It often resolves on its own within a few days, though for some people symptoms linger for several weeks. If it persists beyond six weeks, a simple in-office procedure can usually clear it up.
The Epley Maneuver: First-Line Fix
The most effective treatment for BPPV is a series of head movements that guide the loose crystals out of the semicircular canals and back where they belong. This approach, called canalith repositioning, works in roughly 90 percent of cases. Clinical guidelines recommend it as first-line therapy over any medication.
To perform the Epley maneuver at home for your right ear:
- Sit on the edge of your bed with your legs extended in front of you. Turn your head 45 degrees to the right.
- Lie back quickly, keeping your head turned. Your head should hang slightly over the edge of the bed. Hold this position for about 30 seconds or until the dizziness stops.
- Without lifting your head, turn it 45 degrees to the left (so you’re now looking toward the ceiling and slightly to the left). Hold for another 30 seconds.
- Roll your entire body onto your left side while turning your head another 90 degrees so you’re looking at the floor. Hold for 30 seconds.
- Sit up slowly from this position on your left side.
If your left ear is the problem, reverse all the directions. A healthcare provider can determine which ear is affected by watching your eye movements during a diagnostic test. When you lie back with the affected ear toward the floor, your eyes will make involuntary flickering movements that confirm the diagnosis and tell you which side to treat.
Your provider may recommend repeating the maneuver three times a day until you’ve been symptom-free for 24 hours. Expect the exercise itself to trigger a brief wave of vertigo. That’s a sign the crystals are moving.
The Half-Somersault: An Easier Alternative
The Epley maneuver can be tricky to do alone because it triggers strong dizziness mid-sequence and requires precise head positioning. The half-somersault maneuver, developed at the University of Colorado, is designed to be easier to self-apply without an assistant. In patient studies, people reported less dizziness and fewer complications with this approach compared to doing the Epley on their own.
For the right ear:
- Kneel on the floor and tilt your head back briefly to look at the ceiling.
- Place your head on the floor in front of you as if starting a somersault, tucking your chin toward your knees.
- Turn your head to face your right elbow. Hold until any dizziness subsides.
- Raise your head quickly to back level (keeping it turned toward your right shoulder).
- Raise your head fully upright and sit back on your heels.
Wait 15 minutes before repeating if needed. As with the Epley, reverse the directions for the left ear.
How to Sleep Without Triggering Symptoms
Nighttime is often the worst for BPPV because every time you shift in bed, you risk moving the loose crystals. A few positioning strategies can help.
Sleep on your back or on the side of the unaffected ear, and elevate your head with an extra pillow or a wedge pillow. A 2019 study of 88 people with difficult-to-treat vertigo found that those who slept with their heads elevated reported less dizziness and fewer balance problems, with benefits lasting up to six months. The elevation appears to keep the crystals from drifting back into the semicircular canals. Avoid sleeping flat or with your affected ear facing downward.
If you need to get out of bed during the night, sit up slowly and pause at the edge of the bed for a moment before standing. Quick transitions from lying to standing are the most common trigger for a vertigo episode.
Why Medication Isn’t the Best Option
Over-the-counter motion sickness pills can reduce the spinning sensation, but they don’t fix the underlying problem. Clinical guidelines recommend against using these medications for more than 72 hours because prolonged use increases side effects like drowsiness and can actually delay your recovery by suppressing the vestibular system your brain needs to recalibrate. The repositioning maneuvers are faster, more effective, and have no side effects beyond the temporary dizziness during the exercise itself.
When Dizziness Points to Something Else
BPPV causes brief episodes triggered by specific head movements. If your dizziness doesn’t match that pattern, something else may be going on.
Inner ear inflammation (labyrinthitis) causes continuous vertigo that lasts hours to days, often with hearing loss or ringing in one ear. Vestibular migraine produces episodes lasting minutes to hours, sometimes without any headache at all. Ménière’s disease brings vertigo episodes with fluctuating hearing loss and a feeling of fullness in the ear.
Vertigo that comes with slurred speech, double vision, difficulty swallowing, facial weakness, or limb weakness can indicate a problem in the brain rather than the inner ear. These symptoms overlap with stroke and require emergency medical attention. The same applies to new, severe vertigo that persists for hours without stopping, especially if accompanied by vomiting and trouble walking, as this presentation is identical to what’s seen with strokes affecting the balance centers of the brain.