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Related Experiment Video

Updated: Jul 16, 2026

Establishing a Device for Sleep Deprivation in Mice

Establishing a Device for Sleep Deprivation in Mice

Published on: September 22, 2023

Sleep restriction reprograms systemic immunity through NK and T cell crosstalk.

Zhengyang Qiu^1,2, Jichen Jin^1,3, Pengqi Zhang^1,3

¹Institute of Genetics, Zhejiang University International School of Medicine, Hangzhou, Zhejiang, China.

NPJ Systems Biology and Applications

|July 14, 2026

Summary

Sleep loss disrupts immune regulation, increasing inflammation risk. Researchers found altered immune cell communication, particularly involving NK cells, offers a key mechanism for sleep-related inflammatory diseases.

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Area of Science:

Immunology
Sleep Science
Genetics

Background:

Insufficient sleep is a known risk factor for inflammatory diseases.
The precise mechanisms by which sleep loss impacts immune regulation are not fully understood.

Purpose of the Study:

To investigate the functional consequences of sleep loss on immune regulation using a multi-omics approach.
To identify specific immune pathways and cell types affected by sleep deprivation.

Main Methods:

Two-sample Mendelian randomization to associate genetic proxies of sleeplessness/insomnia with clinical traits and plasma proteins.
Gene expression microarray analysis following sleep restriction to assess immune activation.
Peripheral blood mononuclear cell (PBMC) single-cell RNA sequencing to profile immune cell changes and intercellular communication.

Main Results:

Genetic predisposition to sleeplessness was linked to 162 altered plasma proteins and increased risk for 94 clinical diagnoses.
Sleep restriction induced immune activation and stress-response gene expression.
Single-cell analysis revealed significant PBMC remodeling, including increased Natural Killer/Natural Killer T (NK/NKT) cells and decreased gamma delta T cells and dendritic cells, with heightened pro-inflammatory activity.
Ligand-receptor analysis indicated altered intercellular communication, with increased signaling towards NK cells and enhanced NK-T cell interactions.

Conclusions:

Dysregulated crosstalk between NK cells and T cells is a potential mechanism driving inflammation associated with sleep loss.
These findings highlight specific immune targets for future research and therapeutic interventions related to sleep and inflammation.