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Thursday, September 3, 2026

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Author

Nikki Roberts

Nikki Roberts prefers small, workable wellness habits to big promises. She covers sleep, stress and burnout as clinical subjects rather than mood advice, writes the habit guides, and reports the gyms, equipment makers and supplement companies selling into wellness.

Senior Correspondent

Independent editorial contributor covering wellness, sleep and stress, habit-based health and the wellness industry.

Articles by Nikki Roberts

Plain notebook, water glass, and folded paper on desk in soft daylight

What Does Vitamin D Actually Do?

Nikki Roberts

What Does Vitamin B12 Actually Do in the Body?

What Does Vitamin B12 Actually Do in the Body?

Nikki Roberts

Screens and Sleep Quality: What the Research Shows

Screens and Sleep Quality: What the Research Shows

Nikki Roberts

Burnout: What It Is, How It Is Diagnosed, and What Actually Helps

Burnout: What It Is, How It Is Diagnosed, and What Actually Helps

Nikki Roberts

Gratitude Practices: What the Science Shows

Gratitude Practices: What the Science Shows

Nikki Roberts

Social Connection and Longevity: What Decades of Research Show

Social Connection and Longevity: What Decades of Research Show

Nikki Roberts

Cold Plunges and Sauna: What the Research Says About Recovery

Cold Plunges and Sauna: What the Research Says About Recovery

Nikki Roberts

Alcohol and Health: What the Evidence Really Says

Alcohol and Health: What the Evidence Really Says

Nikki Roberts

Caffeine: How Much Is Safe Per Day?

Caffeine: How Much Is Safe Per Day?

Nikki Roberts

Stress and Cortisol: What the Evidence Actually Shows

Stress and Cortisol: What the Evidence Actually Shows

Nikki Roberts

How Much Water Does a Person Actually Need Each Day?

How Much Water Does a Person Actually Need Each Day?

Nikki Roberts

Sleep Hygiene: Which Habits Actually Work, According to the Evidence

Sleep Hygiene: Which Habits Actually Work, According to the Evidence

Nikki Roberts