Calendar Heatmap

Sleep Quality Calendar

Annual sleep quality tracking with hours and quality score visualization.

Output
Sleep Quality Calendar
Python
import matplotlib.pyplot as plt
import numpy as np
from matplotlib.colors import LinearSegmentedColormap
import matplotlib.patches as mpatches

np.random.seed(789)

# Generate sleep quality (0-4: poor to excellent)
days = 365
sleep_quality = np.random.choice([0, 1, 2, 3, 4], size=days, p=[0.05, 0.15, 0.35, 0.30, 0.15])

weeks = 53
data = np.zeros((7, weeks))
for i, val in enumerate(sleep_quality):
    week = i // 7
    day = i % 7
    if week < weeks:
        data[day, week] = val

# Purple gradient for sleep
colors = ['#0a0a0f', '#1e1b4b', '#4c1d95', '#7c3aed', '#a78bfa']
cmap = LinearSegmentedColormap.from_list('sleep', colors, N=256)

fig, ax = plt.subplots(figsize=(16, 4), facecolor='#0a0a0f')
ax.set_facecolor('#0a0a0f')

im = ax.imshow(data, cmap=cmap, aspect='auto', vmin=0, vmax=4)

ax.set_yticks(range(7))
ax.set_yticklabels(['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'], fontsize=9, color='#e2e8f0')
ax.set_xticks(range(0, 52, 4))
ax.set_xticklabels(['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec', ''], 
                   fontsize=9, color='#e2e8f0')

ax.set_title('Sleep Quality Score - Annual View', fontsize=16, color='white', fontweight='bold', pad=15)

for i in range(8):
    ax.axhline(y=i-0.5, color='#1e293b', linewidth=0.5)
for i in range(weeks+1):
    ax.axvline(x=i-0.5, color='#1e293b', linewidth=0.5)

ax.tick_params(colors='#e2e8f0', length=0)
for spine in ax.spines.values():
    spine.set_visible(False)

legend_elements = [mpatches.Patch(facecolor=c, label=l, edgecolor='#334155') 
                   for c, l in zip(colors, ['Poor', 'Fair', 'Good', 'Great', 'Excellent'])]
ax.legend(handles=legend_elements, loc='upper left', bbox_to_anchor=(0, -0.15), ncol=5, 
          fontsize=8, facecolor='#1e293b', edgecolor='#334155', labelcolor='white')

good_sleep = int(np.sum(sleep_quality >= 3))
avg_score = np.mean(sleep_quality)
ax.annotate(f'Good sleep: {good_sleep} nights | Avg score: {avg_score:.1f}/4', xy=(0.98, 1.1), xycoords='axes fraction',
            fontsize=11, color='#a78bfa', ha='right', fontweight='bold')

plt.tight_layout()
plt.subplots_adjust(bottom=0.25)
plt.show()
Library

Matplotlib

Category

Time Series

Did this help you?

Support PyLucid to keep it free & growing

Support