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Hilchos Tefillin 44-45 (page 146)
מתחילת סימן מד עד סימן מה סעיף ב


If Someone Else Falls Asleep While Wearing Tefillin
Touching Tefillin While Davening or Studying Torah
Visiting a Cemetery While Wearing Tefillin

If someone else falls asleep while wearing tefillin
It is forbidden to sleep or even nap while wearing tefillin. Holding tefillin in the hands while sleeping is also forbidden because they could end up being dropped. If a person falls asleep with tefillin, one is required to wake him.  It is permissible to nap and even sleep if the tefillin are in a container (although according to some poskim this leniency depends on the size of the container). If the tefillin [in their container] are strapped on to a person [so that they will not fall], it is permissible to sleep with them.
( סימן מד, סעיף א וס"ק ד, ז ו־ח; ביאורים ומוספים דרשו, 9)

Touching tefillin while davening or studying Torah
As long as one is wearing tefillin, it is forbidden to take one's mind off them ( hesech hada'as); this is in order to make sure that the wearer will behave as befits their dignity. According to some, when the wearer is meisiach da'as, he does not fulfill the mitzva. Certain activities are not considered hesich hadas and are permitted, provided that the wearer regularly touches his tefillin to help maintain his focus. It is not necessary to touch the tefillin while davening or studying Torah because it is unlikely that the wearer will behave inappropriately when involved with those activities.
( סימן מד, ס"ק ג וביה"ל ד"ה ישן; ביאורים ומוספים דרשו, 3-4)

Visiting a cemetery while wearing tefillin
It is forbidden to enter within four amos of a grave or dead body while wearing tefillin. Doing so is like teasing the dead man that he can no longer fulfill mitzvos ( loeg l'rash). One should not wear tefillin within the confines of a cemetery even when he is more than four amos from the graves, lest he end up getting too close to the graves. This prohibition even applies to the grave of a child, and there is a discussion as to whether it applies to the grave of a woman.
( סימן מה, סעיף א, ס"ק א-ב, וביה"ל ד"ה אסור; ביאורים ומוספים דרשו, 2)





 
  • Tefillin and other kisvei kodesh may be double wrapped (kli b'soch kli) and brought into the bathroom, provided that at least one of the covers is not specifically designated for the tefillin.
  • According to one opinion, printed sefarim or magazines and newspapers with words of Torah may be brought into the bathroom with just one cover. Other poskim require the standard double covering.
  • It is forbidden to have Torah thoughts in foul areas, such as places where human excrement or rotting items are found. The poskim debate whether it is permissible to pass these areas while wearing tefillin.


  • Why birchos hashachar are said

  • Some of the passages recited before davening

  • The different chambers of the bathhouse






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