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Low and High Glycemic Index Drinks Differentially Affect Sleep Polysomnography and Memory Consolidation: A Randomized Controlled Trial

Chantelle Gaylor, Anthony Brennan Orcid Logo, Mark Blagrove Orcid Logo, Chloe Tulip, Anthony Bloxham, Stevie Williams, David Benton, Hayley Young Orcid Logo

Nutrition Research

Swansea University Authors: Chantelle Gaylor, Anthony Brennan Orcid Logo, Mark Blagrove Orcid Logo, Chloe Tulip, David Benton, Hayley Young Orcid Logo

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DOI (Published version): 10.1016/j.nutres.2024.11.012

Abstract

Limited research has examined the effect of meal composition on sleep. Based on previous research, we hypothesized that a low glycemic index (LGI) drink containing 50g isomaltulose (Palatinose™, GI = 32) would result in more N3 sleep, less rapid eye movement (REM) sleep, and better memory consolidat...

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Published in: Nutrition Research
ISSN: 0271-5317
Published: Elsevier BV 2024
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URI: https://cronfa.swan.ac.uk/Record/cronfa68464
first_indexed 2024-12-05T15:32:07Z
last_indexed 2024-12-05T15:32:07Z
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Based on previous research, we hypothesized that a low glycemic index (LGI) drink containing 50g isomaltulose (Palatinose&#x2122;, GI&#x202F;=&#x202F;32) would result in more N3 sleep, less rapid eye movement (REM) sleep, and better memory consolidation than a high glycemic index (HGI) drink containing 50g glucose (GI&#x202F;=&#x202F;100). Healthy males (n&#x202F;=&#x202F;20) attended the laboratory on three occasions at least a week apart (one acclimatization night and two test nights). Using a repeated measures, randomized, double-blind design, participants consumed a standardized evening meal followed four hours later by a HGI or LGI drink. Sleep architecture and continuity were assessed using polysomnography. Procedural and episodic memory were assessed pre- and post-sleep using a finger tapping task and story recall task, respectively. There was no main effect of drink. However, there was an interaction between drink and drink order. N3 sleep percentage was significantly longer (28.71% vs 23.99%, respectively, p&#x202F;=&#x202F;0.032) and overnight retention of neutral story content was significantly better (0.63 words vs -10.13 words, respectively, p&#x202F;=&#x202F;0.002) after the LGI drink than HGI drink, but only when the LGI drink was consumed on the second test night and HGI drink on the first test night. No changes in REM sleep were observed. Findings suggest that the nature of carbohydrate consumed before bed may influence sleep quality and quantity and neutral episodic memory consolidation. 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spelling 2024-12-05T10:36:00.5256873 v2 68464 2024-12-05 Low and High Glycemic Index Drinks Differentially Affect Sleep Polysomnography and Memory Consolidation: A Randomized Controlled Trial ff9dac48eaa04419b8944895854ae5f0 Chantelle Gaylor Chantelle Gaylor true false c95545e4de40c0bef53dbfaf69fb19de 0000-0001-6084-4086 Anthony Brennan Anthony Brennan true false 8c78ee008e650b9f0a463bae56a5636c 0000-0002-9854-1854 Mark Blagrove Mark Blagrove true false dfa53c1d2be8eaecddb116e84b204561 Chloe Tulip Chloe Tulip true false 7845ee79286c74b7939198c94e9e16ff David Benton David Benton true false 22748f1a953255d63cb6ab9a98c11d70 0000-0002-6954-3519 Hayley Young Hayley Young true false 2024-12-05 PSYS Limited research has examined the effect of meal composition on sleep. Based on previous research, we hypothesized that a low glycemic index (LGI) drink containing 50g isomaltulose (Palatinose™, GI = 32) would result in more N3 sleep, less rapid eye movement (REM) sleep, and better memory consolidation than a high glycemic index (HGI) drink containing 50g glucose (GI = 100). Healthy males (n = 20) attended the laboratory on three occasions at least a week apart (one acclimatization night and two test nights). Using a repeated measures, randomized, double-blind design, participants consumed a standardized evening meal followed four hours later by a HGI or LGI drink. Sleep architecture and continuity were assessed using polysomnography. Procedural and episodic memory were assessed pre- and post-sleep using a finger tapping task and story recall task, respectively. There was no main effect of drink. However, there was an interaction between drink and drink order. N3 sleep percentage was significantly longer (28.71% vs 23.99%, respectively, p = 0.032) and overnight retention of neutral story content was significantly better (0.63 words vs -10.13 words, respectively, p = 0.002) after the LGI drink than HGI drink, but only when the LGI drink was consumed on the second test night and HGI drink on the first test night. No changes in REM sleep were observed. Findings suggest that the nature of carbohydrate consumed before bed may influence sleep quality and quantity and neutral episodic memory consolidation. Pre-registered with ClinicalTrials.gov (NCT05591573). Journal Article Nutrition Research 0 Elsevier BV 0271-5317 Glycemic index; Sleep; Memory; Glucose; Carbohydrate; Sleep Quality; N3 sleep 4 12 2024 2024-12-04 10.1016/j.nutres.2024.11.012 COLLEGE NANME Psychology School COLLEGE CODE PSYS Swansea University SU Library paid the OA fee (TA Institutional Deal) Swansea University 2024-12-05T10:36:00.5256873 2024-12-05T10:30:17.6783034 Faculty of Medicine, Health and Life Sciences School of Psychology Chantelle Gaylor 1 Anthony Brennan 0000-0001-6084-4086 2 Mark Blagrove 0000-0002-9854-1854 3 Chloe Tulip 4 Anthony Bloxham 5 Stevie Williams 6 David Benton 7 Hayley Young 0000-0002-6954-3519 8
title Low and High Glycemic Index Drinks Differentially Affect Sleep Polysomnography and Memory Consolidation: A Randomized Controlled Trial
spellingShingle Low and High Glycemic Index Drinks Differentially Affect Sleep Polysomnography and Memory Consolidation: A Randomized Controlled Trial
Chantelle Gaylor
Anthony Brennan
Mark Blagrove
Chloe Tulip
David Benton
Hayley Young
title_short Low and High Glycemic Index Drinks Differentially Affect Sleep Polysomnography and Memory Consolidation: A Randomized Controlled Trial
title_full Low and High Glycemic Index Drinks Differentially Affect Sleep Polysomnography and Memory Consolidation: A Randomized Controlled Trial
title_fullStr Low and High Glycemic Index Drinks Differentially Affect Sleep Polysomnography and Memory Consolidation: A Randomized Controlled Trial
title_full_unstemmed Low and High Glycemic Index Drinks Differentially Affect Sleep Polysomnography and Memory Consolidation: A Randomized Controlled Trial
title_sort Low and High Glycemic Index Drinks Differentially Affect Sleep Polysomnography and Memory Consolidation: A Randomized Controlled Trial
author_id_str_mv ff9dac48eaa04419b8944895854ae5f0
c95545e4de40c0bef53dbfaf69fb19de
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dfa53c1d2be8eaecddb116e84b204561
7845ee79286c74b7939198c94e9e16ff
22748f1a953255d63cb6ab9a98c11d70
author_id_fullname_str_mv ff9dac48eaa04419b8944895854ae5f0_***_Chantelle Gaylor
c95545e4de40c0bef53dbfaf69fb19de_***_Anthony Brennan
8c78ee008e650b9f0a463bae56a5636c_***_Mark Blagrove
dfa53c1d2be8eaecddb116e84b204561_***_Chloe Tulip
7845ee79286c74b7939198c94e9e16ff_***_David Benton
22748f1a953255d63cb6ab9a98c11d70_***_Hayley Young
author Chantelle Gaylor
Anthony Brennan
Mark Blagrove
Chloe Tulip
David Benton
Hayley Young
author2 Chantelle Gaylor
Anthony Brennan
Mark Blagrove
Chloe Tulip
Anthony Bloxham
Stevie Williams
David Benton
Hayley Young
format Journal article
container_title Nutrition Research
container_volume 0
publishDate 2024
institution Swansea University
issn 0271-5317
doi_str_mv 10.1016/j.nutres.2024.11.012
publisher Elsevier BV
college_str Faculty of Medicine, Health and Life Sciences
hierarchytype
hierarchy_top_id facultyofmedicinehealthandlifesciences
hierarchy_top_title Faculty of Medicine, Health and Life Sciences
hierarchy_parent_id facultyofmedicinehealthandlifesciences
hierarchy_parent_title Faculty of Medicine, Health and Life Sciences
department_str School of Psychology{{{_:::_}}}Faculty of Medicine, Health and Life Sciences{{{_:::_}}}School of Psychology
document_store_str 0
active_str 0
description Limited research has examined the effect of meal composition on sleep. Based on previous research, we hypothesized that a low glycemic index (LGI) drink containing 50g isomaltulose (Palatinose™, GI = 32) would result in more N3 sleep, less rapid eye movement (REM) sleep, and better memory consolidation than a high glycemic index (HGI) drink containing 50g glucose (GI = 100). Healthy males (n = 20) attended the laboratory on three occasions at least a week apart (one acclimatization night and two test nights). Using a repeated measures, randomized, double-blind design, participants consumed a standardized evening meal followed four hours later by a HGI or LGI drink. Sleep architecture and continuity were assessed using polysomnography. Procedural and episodic memory were assessed pre- and post-sleep using a finger tapping task and story recall task, respectively. There was no main effect of drink. However, there was an interaction between drink and drink order. N3 sleep percentage was significantly longer (28.71% vs 23.99%, respectively, p = 0.032) and overnight retention of neutral story content was significantly better (0.63 words vs -10.13 words, respectively, p = 0.002) after the LGI drink than HGI drink, but only when the LGI drink was consumed on the second test night and HGI drink on the first test night. No changes in REM sleep were observed. Findings suggest that the nature of carbohydrate consumed before bed may influence sleep quality and quantity and neutral episodic memory consolidation. Pre-registered with ClinicalTrials.gov (NCT05591573).
published_date 2024-12-04T08:40:49Z
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