May one sleep or nap while merely holding tefillin in his hand (not wrapped around it)?

Daily LifeTefillinWearing Tefillin

Synopsis

When tefillin are merely held in the hand without being wrapped around it, even a brief nap is prohibited. The concern is that one may drop them during sleep.

Early Acharonim
Late Acharonim
Lenient
Strict
Lesser cited
Major authority

Discussion

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