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Actor Ryan Reynolds is a new dad after he and his wife, actress Blake Lively, welcomed their baby daughter, the couple's first child, in January.

In an interview with Jimmy Fallon on "The Tonight Show," Reynolds revealed that after only a few weeks he already knows one of his daughter's allergies.

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"Our baby, in particular, is, we think, allergic to sleep," Reynolds told Fallon, who recently welcomed a new child of his own with his wife Nancy Juvonen.

"We think that she thinks that she's protecting us from the sleep monsters," Reynolds added. "She's like, 'Oh, I gotta keep them up or the sleep monsters will get them."

The 38-year-old actor also revealed the methods he's used to try to get her to go to sleep, but explained that they have a major flaw.

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"The trick I try to use is that Baby Einstein stuff, but for me that's like horse tranquilizer," Reynolds joked. "I could [fall asleep] on a lit stove."


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