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Bed roll

Heymatt:

I seem to roll around and move a lot when I sleep. Why don't I ever roll right out of bed?

-- Bedbug, La Jolla

A question we've asked here in Rancho de Alice for years. How is it that Pa Alice can balance his bulk on Grandma's dainty couch and not fall gut first onto the coffee table? Unfortunately, he's still a medical mystery, but for normal folks, there might be at least a clue to the answer.

A couple of decades ago, two scientists in Scotland were watching people sleep. They, too, wondered why we don't spin out of the sheets every night, given how messy our beds are in the morning. They watched a series of adults sleep on very wide beds without any blanket or other covering so they had no sense of relative position or movement. Throughout the night the science guys marked every change in body position. Funny thing. Turns out we don't turn. Or spin or roll. Their subjects slept on their left sides for a while, then on their backs, then their right sides, back, left, back, right, and like that. They never turned face down, so they didn't actually roll and never moved too far from where they started, no matter how much they thrashed. When the science guys observed toddlers sleeping, they noted that they will turn onto their faces and will roll; so, they conjectured medically, people somehow learn that face-sleeping constricts breathing, so we don't do it when we grow up. That doesn't really explain why we don�t fall off cots or couches with regularity, though.

I'm not aware that the science guys were laughed out of town over their conclusions. But after careful checking, I couldn't find a sleep researcher aware of any other study. So accept this as a fact-like statement and hope someone else is as curious as you and the Scotsmen.

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Heymatt:

I seem to roll around and move a lot when I sleep. Why don't I ever roll right out of bed?

-- Bedbug, La Jolla

A question we've asked here in Rancho de Alice for years. How is it that Pa Alice can balance his bulk on Grandma's dainty couch and not fall gut first onto the coffee table? Unfortunately, he's still a medical mystery, but for normal folks, there might be at least a clue to the answer.

A couple of decades ago, two scientists in Scotland were watching people sleep. They, too, wondered why we don't spin out of the sheets every night, given how messy our beds are in the morning. They watched a series of adults sleep on very wide beds without any blanket or other covering so they had no sense of relative position or movement. Throughout the night the science guys marked every change in body position. Funny thing. Turns out we don't turn. Or spin or roll. Their subjects slept on their left sides for a while, then on their backs, then their right sides, back, left, back, right, and like that. They never turned face down, so they didn't actually roll and never moved too far from where they started, no matter how much they thrashed. When the science guys observed toddlers sleeping, they noted that they will turn onto their faces and will roll; so, they conjectured medically, people somehow learn that face-sleeping constricts breathing, so we don't do it when we grow up. That doesn't really explain why we don�t fall off cots or couches with regularity, though.

I'm not aware that the science guys were laughed out of town over their conclusions. But after careful checking, I couldn't find a sleep researcher aware of any other study. So accept this as a fact-like statement and hope someone else is as curious as you and the Scotsmen.

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4S Ranch Allied Gardens Alpine Baja Balboa Park Bankers Hill Barrio Logan Bay Ho Bay Park Black Mountain Ranch Blossom Valley Bonita Bonsall Borrego Springs Boulevard Campo Cardiff-by-the-Sea Carlsbad Carmel Mountain Carmel Valley Chollas View Chula Vista City College City Heights Clairemont College Area Coronado CSU San Marcos Cuyamaca College Del Cerro Del Mar Descanso Downtown San Diego Eastlake East Village El Cajon Emerald Hills Encanto Encinitas Escondido Fallbrook Fletcher Hills Golden Hill Grant Hill Grantville Grossmont College Guatay Harbor Island Hillcrest Imperial Beach Imperial Valley Jacumba Jamacha-Lomita Jamul Julian Kearny Mesa Kensington La Jolla Lakeside La Mesa Lemon Grove Leucadia Liberty Station Lincoln Acres Lincoln Park Linda Vista Little Italy Logan Heights Mesa College Midway District MiraCosta College Miramar Miramar College Mira Mesa Mission Beach Mission Hills Mission Valley Mountain View Mount Hope Mount Laguna National City Nestor Normal Heights North Park Oak Park Ocean Beach Oceanside Old Town Otay Mesa Pacific Beach Pala Palomar College Palomar Mountain Paradise Hills Pauma Valley Pine Valley Point Loma Point Loma Nazarene Potrero Poway Rainbow Ramona Rancho Bernardo Rancho Penasquitos Rancho San Diego Rancho Santa Fe Rolando San Carlos San Marcos San Onofre Santa Ysabel Santee San Ysidro Scripps Ranch SDSU Serra Mesa Shelltown Shelter Island Sherman Heights Skyline Solana Beach Sorrento Valley Southcrest South Park Southwestern College Spring Valley Stockton Talmadge Temecula Tierrasanta Tijuana UCSD University City University Heights USD Valencia Park Valley Center Vista Warner Springs
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