Brain activity of diving seals reveals short sleep cycles at depth
Sleep is a crucial part of the daily activity patterns of mammals. However, in marine species that spend months or entire lifetimes at sea, the location, timing, and duration of sleep may be constrained. To understand how marine mammals satisfy their daily sleep requirements while at sea, we monitor...
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| Veröffentlicht in: | Science (American Association for the Advancement of Science) 2023-04, Vol.380 (6642), p.260-265 |
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| creator | Kendall-Bar, Jessica M Williams, Terrie M Mukherji, Ritika Lozano, Daniel A Pitman, Julie K Holser, Rachel R Keates, Theresa Beltran, Roxanne S Robinson, Patrick W Crocker, Daniel E Adachi, Taiki Lyamin, Oleg I Vyssotski, Alexei L Costa, Daniel P |
| description | Sleep is a crucial part of the daily activity patterns of mammals. However, in marine species that spend months or entire lifetimes at sea, the location, timing, and duration of sleep may be constrained. To understand how marine mammals satisfy their daily sleep requirements while at sea, we monitored electroencephalographic activity in wild northern elephant seals (
) diving in Monterey Bay, California. Brain-wave patterns showed that seals took short (less than 20 minutes) naps while diving (maximum depth 377 meters; 104 sleeping dives). Linking these patterns to accelerometry and the time-depth profiles of 334 free-ranging seals (514,406 sleeping dives) revealed a North Pacific sleepscape in which seals averaged only 2 hours of sleep per day for 7 months, rivaling the record for the least sleep among all mammals, which is currently held by the African elephant (about 2 hours per day). |
| doi_str_mv | 10.1126/science.adf0566 |
| format | Article |
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) diving in Monterey Bay, California. Brain-wave patterns showed that seals took short (less than 20 minutes) naps while diving (maximum depth 377 meters; 104 sleeping dives). Linking these patterns to accelerometry and the time-depth profiles of 334 free-ranging seals (514,406 sleeping dives) revealed a North Pacific sleepscape in which seals averaged only 2 hours of sleep per day for 7 months, rivaling the record for the least sleep among all mammals, which is currently held by the African elephant (about 2 hours per day).</description><identifier>ISSN: 0036-8075</identifier><identifier>EISSN: 1095-9203</identifier><identifier>DOI: 10.1126/science.adf0566</identifier><identifier>PMID: 37079694</identifier><language>eng</language><publisher>United States: The American Association for the Advancement of Science</publisher><subject>Animals ; Brain - physiology ; Diving ; Marine mammals ; Mirounga angustirostris ; Paralysis ; Predators ; REM sleep ; Remote monitoring ; Seals ; Seals (animals) ; Seals, Earless - physiology ; Sleep ; Time Factors</subject><ispartof>Science (American Association for the Advancement of Science), 2023-04, Vol.380 (6642), p.260-265</ispartof><rights>Copyright © 2023 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c366t-824b26f092b9077afb881f4e35c10ed6d62c879915a2d5f19322cc9320109c663</citedby><cites>FETCH-LOGICAL-c366t-824b26f092b9077afb881f4e35c10ed6d62c879915a2d5f19322cc9320109c663</cites><orcidid>0000-0003-2049-0943 ; 0000-0003-4758-1386 ; 0000-0002-4833-323X ; 0000-0001-8395-4245 ; 0000-0001-8170-009X ; 0009-0003-2855-673X ; 0000-0002-7940-8011 ; 0000-0002-9021-1471 ; 0000-0002-8668-3839 ; 0000-0003-3835-4288 ; 0000-0003-4243-6331 ; 0000-0002-0233-5782 ; 0000-0002-8520-1105 ; 0000-0003-3957-8347</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,2871,2872,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/37079694$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kendall-Bar, Jessica M</creatorcontrib><creatorcontrib>Williams, Terrie M</creatorcontrib><creatorcontrib>Mukherji, Ritika</creatorcontrib><creatorcontrib>Lozano, Daniel A</creatorcontrib><creatorcontrib>Pitman, Julie K</creatorcontrib><creatorcontrib>Holser, Rachel R</creatorcontrib><creatorcontrib>Keates, Theresa</creatorcontrib><creatorcontrib>Beltran, Roxanne S</creatorcontrib><creatorcontrib>Robinson, Patrick W</creatorcontrib><creatorcontrib>Crocker, Daniel E</creatorcontrib><creatorcontrib>Adachi, Taiki</creatorcontrib><creatorcontrib>Lyamin, Oleg I</creatorcontrib><creatorcontrib>Vyssotski, Alexei L</creatorcontrib><creatorcontrib>Costa, Daniel P</creatorcontrib><title>Brain activity of diving seals reveals short sleep cycles at depth</title><title>Science (American Association for the Advancement of Science)</title><addtitle>Science</addtitle><description>Sleep is a crucial part of the daily activity patterns of mammals. However, in marine species that spend months or entire lifetimes at sea, the location, timing, and duration of sleep may be constrained. To understand how marine mammals satisfy their daily sleep requirements while at sea, we monitored electroencephalographic activity in wild northern elephant seals (
) diving in Monterey Bay, California. Brain-wave patterns showed that seals took short (less than 20 minutes) naps while diving (maximum depth 377 meters; 104 sleeping dives). Linking these patterns to accelerometry and the time-depth profiles of 334 free-ranging seals (514,406 sleeping dives) revealed a North Pacific sleepscape in which seals averaged only 2 hours of sleep per day for 7 months, rivaling the record for the least sleep among all mammals, which is currently held by the African elephant (about 2 hours per day).</description><subject>Animals</subject><subject>Brain - physiology</subject><subject>Diving</subject><subject>Marine mammals</subject><subject>Mirounga angustirostris</subject><subject>Paralysis</subject><subject>Predators</subject><subject>REM sleep</subject><subject>Remote monitoring</subject><subject>Seals</subject><subject>Seals (animals)</subject><subject>Seals, Earless - physiology</subject><subject>Sleep</subject><subject>Time Factors</subject><issn>0036-8075</issn><issn>1095-9203</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpdkE1PwzAMQCMEYmNw5oYiceHSzUnatDnCxJc0iQucqzR1WKeuLUk7af-ejBUOXGxLfrbsR8g1gzljXC68qbAxONelhUTKEzJloJJIcRCnZAogZJRBmkzIhfcbgNBT4pxMRAqpkiqekocHp6uGatNXu6rf09bSMlTNJ_Woa08d7n6yX7eup75G7KjZmxo91T0tsevXl-TMBgSvxjwjH0-P78uXaPX2_Lq8X0VGSNlHGY8LLi0oXihIU22LLGM2RpEYBljKUnKTpUqxRPMysUwJzo0JEcJLRkoxI3fHvZ1rvwb0fb6tvMG61g22g895BgnwTKk0oLf_0E07uCZcd6DioEUAC9TiSBnXeu_Q5p2rttrtcwb5QW8-6s1HvWHiZtw7FFss__hfn-IbpbJ2LA</recordid><startdate>20230421</startdate><enddate>20230421</enddate><creator>Kendall-Bar, Jessica M</creator><creator>Williams, Terrie M</creator><creator>Mukherji, Ritika</creator><creator>Lozano, Daniel A</creator><creator>Pitman, Julie K</creator><creator>Holser, Rachel R</creator><creator>Keates, Theresa</creator><creator>Beltran, Roxanne S</creator><creator>Robinson, Patrick W</creator><creator>Crocker, Daniel E</creator><creator>Adachi, Taiki</creator><creator>Lyamin, Oleg I</creator><creator>Vyssotski, Alexei L</creator><creator>Costa, Daniel P</creator><general>The American Association for the Advancement of Science</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QG</scope><scope>7QL</scope><scope>7QP</scope><scope>7QQ</scope><scope>7QR</scope><scope>7SC</scope><scope>7SE</scope><scope>7SN</scope><scope>7SP</scope><scope>7SR</scope><scope>7SS</scope><scope>7T7</scope><scope>7TA</scope><scope>7TB</scope><scope>7TK</scope><scope>7TM</scope><scope>7U5</scope><scope>7U9</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>H94</scope><scope>JG9</scope><scope>JQ2</scope><scope>K9.</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0003-2049-0943</orcidid><orcidid>https://orcid.org/0000-0003-4758-1386</orcidid><orcidid>https://orcid.org/0000-0002-4833-323X</orcidid><orcidid>https://orcid.org/0000-0001-8395-4245</orcidid><orcidid>https://orcid.org/0000-0001-8170-009X</orcidid><orcidid>https://orcid.org/0009-0003-2855-673X</orcidid><orcidid>https://orcid.org/0000-0002-7940-8011</orcidid><orcidid>https://orcid.org/0000-0002-9021-1471</orcidid><orcidid>https://orcid.org/0000-0002-8668-3839</orcidid><orcidid>https://orcid.org/0000-0003-3835-4288</orcidid><orcidid>https://orcid.org/0000-0003-4243-6331</orcidid><orcidid>https://orcid.org/0000-0002-0233-5782</orcidid><orcidid>https://orcid.org/0000-0002-8520-1105</orcidid><orcidid>https://orcid.org/0000-0003-3957-8347</orcidid></search><sort><creationdate>20230421</creationdate><title>Brain activity of diving seals reveals short sleep cycles at depth</title><author>Kendall-Bar, Jessica M ; Williams, Terrie M ; Mukherji, Ritika ; Lozano, Daniel A ; Pitman, Julie K ; Holser, Rachel R ; Keates, Theresa ; Beltran, Roxanne S ; Robinson, Patrick W ; Crocker, Daniel E ; Adachi, Taiki ; Lyamin, Oleg I ; Vyssotski, Alexei L ; Costa, Daniel P</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c366t-824b26f092b9077afb881f4e35c10ed6d62c879915a2d5f19322cc9320109c663</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Animals</topic><topic>Brain - 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| ispartof | Science (American Association for the Advancement of Science), 2023-04, Vol.380 (6642), p.260-265 |
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| source | American Association for the Advancement of Science; MEDLINE |
| subjects | Animals Brain - physiology Diving Marine mammals Mirounga angustirostris Paralysis Predators REM sleep Remote monitoring Seals Seals (animals) Seals, Earless - physiology Sleep Time Factors |
| title | Brain activity of diving seals reveals short sleep cycles at depth |
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