There is no scientifically established “riskiest time” of day to shower after age 70. The bigger issue is how you shower and your individual health.
What can make a shower risky?
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Very hot water: Hot showers can worsen dizziness or lightheadedness, particularly in someone prone to low blood pressure. Older adults can also have more difficulty regulating body temperature. National Institute on Aging+1
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Getting up quickly: Standing suddenly can cause dizziness and increase the risk of falling. National Institute on Aging
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A slippery bathroom: Falls are an important concern for older adults. Nonslip surfaces and grab bars can reduce hazards. National Institute on Aging+1
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Being dehydrated or unwell: Dehydration and some medications can make heat-related problems more likely in older adults. National Institute on Aging
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Showering when alone despite a significant fall risk: Someone with substantial balance or mobility problems may need assistance or additional safety measures.
So, when should you shower?
Rather than avoiding a particular clock time, choose a time when you’re alert, hydrated, and unlikely to become rushed or dizzy. Use warm—not very hot—water, keep the shower reasonably short, and make the bathroom nonslip.
There is also no requirement to shower every day simply because you’re over 70. Bathing frequency can be adjusted according to personal needs and skin condition. Hot showers and excessive soap can worsen the dry skin that becomes more common with aging. National Institute on Aging
If someone becomes faint, confused, severely short of breath, develops chest pain, or actually loses consciousness during or after a shower, that’s not a normal aging issue and warrants urgent medical attention.
