Study Shows Caffeine Works Better When Rested

January 26, 2026 January 26, 2026 by Jennifer Walsh in Supplements 1 min read

New research from University of Birmingham confirms caffeine performance benefits are stronger when athletes get adequate sleep. Another reason to prioritize rest.

Jennifer Walsh

Author & Expert

Senior Cloud Solutions Architect with 12 years of experience in AWS, Azure, and GCP. Jennifer has led enterprise migrations for Fortune 500 companies and holds AWS Solutions Architect Professional and DevOps Engineer certifications. She specializes in serverless architectures, container orchestration, and cloud cost optimization. Previously a senior engineer at AWS Professional Services.

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