<br><font size=2><tt>It seems to me that this would be of a piece with
sitting in a normal chair <br>
after chatzos</tt></font><font size=2 face="sans-serif">...</font>
<br>
<br>
<br><font size=2 face="sans-serif">----- it would seem to
me that if there was a tzad leheter, the torah world would
have jumped on it long ago. i am not aware of any community
permitting , eg, daf yomi in the afternoon .....<br>
<br>
</font><font size=1 face="Arial"><br>
</font>