Abstract: Mental concentration during the COVID-19 pandemic has escalated and become an issue of concern. This study set out to investigate the extent to which insomnia affects mental concentration. The research will take place in five schools in Mwala sub-county in Machakos County. Mwala sub-county is located within Machakos County. The study sampled 117 participants among high school learners.The analysis showed a statistically significant difference between insomnia and mental concentration at F(1,115) = 531.35, p =0.023, This study reveals that insomnia causes reduced mental concentration. Implications of the study are discussed.
KEY TERMS: Mental concentration, Insomnia, COVID-19, Lockdowns, Mwala Location, Machakos County
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