## 3 Results
\begin{table}
\begin{tabular}{c c c c c c c c c} \hline \hline
**Variables** & & \multicolumn{4}{c}{**Experimental Group (n = 29)**} & \multicolumn{4}{c}{**Control Group (n = 29)**} \\  & & **Mean \(\pm\) SD** & **Paired t** & \(p\)**-Value** & **Mean \(\pm\) SD** & **Paired t** & \(p\)**-Value** \\ \hline \multicolumn{2}{c}{Cognitive function} & & & & & & \\ \multirow{4}{*}{Sense of orientation} & Pre-test & 7.71 \(\pm\) 0.53 & \(-\)1.53 & 0.117 & 8.23 \(\pm\) 0.56 & \(-\)2.78 & 0.101 \\  & & Post-test & 7.84 \(\pm\) 0.63 & & & 8.54 \(\pm\) 0.72 & & \\ \multirow{4}{*}{attention and calculation abilities} & \multirow{2}{*}{Pre-test} & 3.36 \(\pm\) 0.88 & \(-\)7.84 & \(<\)0.001 *** & 3.03 \(\pm\) 0.75 & \(-\)1.07 & 0.060 \\  & & Post-test & 4.61 \(\pm\) 0.92 & & & 2.94 \(\pm\) 0.85 & & \\  & & Pre-test & 1.65 \(\pm\) 0.55 & \(-\)1.42 & \(<\)0.001 *** & 1.97 \(\pm\) 0.61 & \(-\)1.66 & 0.200 \\  & & Post-test & 2.52 \(\pm\) 0.51 & & & 1.48 \(\pm\) 0.51 & & \\  & & Language & Pre-test & 2.10 \(\pm\) 0.65 & \(-\)5.30 & \(<\)0.001 *** & 2.39 \(\pm\) 0.67 & \(-\)1.53 & 0.067 \\  & & Post-test & 2.58 \(\pm\) 0.50 & & & 1.61 \(\pm\) 0.50 & & \\  & & verbal comprehension & Pre-test & 2.32 \(\pm\) 0.60 & \(-\)1.00 & 0.326 & 1.74 \(\pm\) 0.63 & \(-\)1.23 & 0.303 \\  & & Post-test & 2.36 \(\pm\) 0.61 & & & 1.00 \(\pm\) 0.58 & & \\ \multirow{4}{*}{Sleep quality} & \multirow{2}{*}{constructional ability} & \multirow{2}{*}{Pre-test} & 0.97 \(\pm\) 0.18 & \(-\)1.00 & 0.325 & 0.74 \(\pm\) 0.45 & \(-\)3.23 & 0.603 \\  & & Post-test & 1.00 \(\pm\) 0.00 & & & 1.00 \(\pm\) 0.00 & & \\ \multirow{4}{*}{Sleep quality} & \multirow{2}{*}{Subjective sleep quality} & \multirow{2}{*}{Pre-test} & 1.32 \(\pm\) 0.66 & 4.35 & 0.060 & 1.39 \(\pm\) 0.61 & 3.50 & 0.072 \\  & & Post-test & 1.94 \(\pm\) 0.57 & & & 1.10 \(\pm\) 0.60 & & \\  & & Pre-test & 1.32 \(\pm\) 0.75 & 2.68 & 0.012 * & 1.32 \(\pm\) 0.65 & 3.23 & 0.103 \\  & & Post-test & 1.13 \(\pm\) 0.72 & & & 1.37 \(\pm\) 0.57 & & \\  & & sleep duration (hours) & Pre-test & 1.65 \(\pm\) 0.61 & 4.06 & 0.003 *** & 1.32 \(\pm\) 0.65 & 4.06 & 0.300 \\  & & Post-test & 1.29 \(\pm\) 0.53 & & & 1.97 \(\pm\) 0.61 & & \\  & & sleep efficiency (\%) & Pre-test & 1.39 \(\pm\) 0.76 & 4.32 & 0.062 & 1.65 \(\pm\) 0.61 & 5.91 & 0.600 \\  & & Post-test & 1.07 \(\pm\) 0.77 & & & 1.00 \(\pm\) 0.58 & & \\ \multirow{4}{*}{sleep disturbances (minutes)} & \multirow{2}{*}{Pre-test} & 1.16 \(\pm\) 0.82 & 3.40 & 0.063 & 1.26 \(\pm\) 0.58 & 1.79 & 0.083 \\  & & Post-test & 1.00 \(\pm\) 0.68 & & & 1.16 \(\pm\) 0.52 & & \\ \multirow{4}{*}{use of sleep medication} & \multirow{2}{*}{Pre-test} & 1.45 \(\pm\) 0.93 & 1.41 & 0.169 & 1.23 \(\pm\) 0.62 & 2.68 & 0.112 \\  & & Post-test & 1.29 \(\pm\) 0.59 & & & 1.03 \(\pm\) 0.71 & & \\ \multirow{4}{*}{daytime dysfunction (minutes)} & \multirow{2}{*}{Pre-test} & 0.87 \(\pm\) 0.67 & 1.44 & 0.161 & 1.16 \(\pm\) 0.68 & 2.99 & 0.076 \\  & & Post-test & 0.81 \(\pm\) 0.61 & & & 0.81 \(\pm\) 0.54 & & \\ \hline \hline \end{tabular}  
* \(p\) < 0.05, *** \(p\) < 0.01, *** \(p\) < 0.001.  
\end{table} 
Table 2: _Cont._ \begin{table}
\begin{tabular}{c c c c c c c c c c} \hline \hline
**Variables** & & \multicolumn{4}{c}{**Experimental Group (n = 29)**} & \multicolumn{4}{c}{**Control Group (n = 29)**} \\  & & **Physical Function** & **Cognitive Function** & **Sleep Quality** & **Physical Function** & **Cognitive Function** & **Sleep Quality** \\ \multirow{2}{*}{**Gender**} & **Mean \(\pm\) SD** & **t-Value** & **Mean \(\pm\) SD** & **t-Value** & **Mean \(\pm\) SD** & **t-Value** & **Mean \(\pm\) SD** & **t-Value** & **Mean \(\pm\) SD** & **t-Value** \\ \hline Male & 21.56 \(\pm\) 0.58 & 4.86 \(\pm\) 0.56 & 2.35 \(\pm\) 0.51 & 2.35 \(\pm\) 0.51 & 18.36 \(\pm\) 0.45 & 3.57 \(\pm\) 0.48 & 2.01 \(\pm\) 0.11 \\ Female & 20.56 \(\pm\) 0.67 & 2.078 * & 6.86 \(\pm\) 0.32 & 2.104 * & 1.01 \(\pm\) 0.11 & 2.093 * & 19.06 \(\pm\) 0.61 & 1.264 & 5.52 \(\pm\) 0.98 & 1.718 & 1.85 \(\pm\) 0.22 & 1.546 \\ \hline \hline \end{tabular}  
* \(p\) < 0.05.  
\end{table}