That advice is according to Armond Lollard, a Houston WWII veteran who just celebrated his 100th birthday.
Dozens of friends and relatives were there as Lollard blew out his candles.
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They looked at photos and shared memories of the birthday boy from over the years.
Lollard says he credits good sleep hygiene for his longevity.
"The secret, like I say, is getting up every morning," Lollard says. "Sleep good at night, wake up the next morning feeling good, and just keep it up for a hundred years."
Lollard has four children, 14 grandchildren, and 16 great-grandchildren.
His daughters say he's a man of God who taught them respect and kindness. He's still active and loved to socialize in the northwest Houston retirement community where he lives.